Home / 34,807.08-47,997.45-20,657.19

Finding the Fourth Proportional to 34,807.08, 47,997.45 and 20,657.19

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Solution

The fourth proportional to 34,807.08, 47,997.45 and 20,657.19 is: 28,485.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,807.08 : 47,997.45 = 20,657.19 : x
  2. Step 2: Convert to fraction form
    34,807.08/47,997.45 = 20,657.19/x
  3. Step 3: Cross multiply
    34,807.08x = 47,997.45 × 20,657.19
  4. Step 4: Simplify right side
    34,807.08x = 991,492,444.17
  5. Step 5: Solve for x
    x = 991,492,444.17/34,807.08
  6. Step 6: Final answer
    x = 28,485.37

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.