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Finding the Fourth Proportional to 29,312.54, 43,972.90 and 9,587.16

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Solution

The fourth proportional to 29,312.54, 43,972.90 and 9,587.16 is: 14,382.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.54 : 43,972.90 = 9,587.16 : x
  2. Step 2: Convert to fraction form
    29,312.54/43,972.90 = 9,587.16/x
  3. Step 3: Cross multiply
    29,312.54x = 43,972.90 × 9,587.16
  4. Step 4: Simplify right side
    29,312.54x = 421,575,227.96
  5. Step 5: Solve for x
    x = 421,575,227.96/29,312.54
  6. Step 6: Final answer
    x = 14,382.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.