Home / 29,314.72-40,455.06-17,990.47

Finding the Fourth Proportional to 29,314.72, 40,455.06 and 17,990.47

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Solution

The fourth proportional to 29,314.72, 40,455.06 and 17,990.47 is: 24,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,314.72 : 40,455.06 = 17,990.47 : x
  2. Step 2: Convert to fraction form
    29,314.72/40,455.06 = 17,990.47/x
  3. Step 3: Cross multiply
    29,314.72x = 40,455.06 × 17,990.47
  4. Step 4: Simplify right side
    29,314.72x = 727,805,543.28
  5. Step 5: Solve for x
    x = 727,805,543.28/29,314.72
  6. Step 6: Final answer
    x = 24,827.31

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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.