Home / 35,812.04-49,416.81-20,702.30

Finding the Fourth Proportional to 35,812.04, 49,416.81 and 20,702.30

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Solution

The fourth proportional to 35,812.04, 49,416.81 and 20,702.30 is: 28,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,812.04 : 49,416.81 = 20,702.30 : x
  2. Step 2: Convert to fraction form
    35,812.04/49,416.81 = 20,702.30/x
  3. Step 3: Cross multiply
    35,812.04x = 49,416.81 × 20,702.30
  4. Step 4: Simplify right side
    35,812.04x = 1,023,041,625.66
  5. Step 5: Solve for x
    x = 1,023,041,625.66/35,812.04
  6. Step 6: Final answer
    x = 28,566.97

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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.