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Finding the Fourth Proportional to 29,938.68, 44,866.30 and 15,130.32

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Solution

The fourth proportional to 29,938.68, 44,866.30 and 15,130.32 is: 22,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,938.68 : 44,866.30 = 15,130.32 : x
  2. Step 2: Convert to fraction form
    29,938.68/44,866.30 = 15,130.32/x
  3. Step 3: Cross multiply
    29,938.68x = 44,866.30 × 15,130.32
  4. Step 4: Simplify right side
    29,938.68x = 678,841,476.22
  5. Step 5: Solve for x
    x = 678,841,476.22/29,938.68
  6. Step 6: Final answer
    x = 22,674.40

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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.