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Finding the Fourth Proportional to 29,931.90, 44,897.55 and 11,463.90

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Solution

The fourth proportional to 29,931.90, 44,897.55 and 11,463.90 is: 17,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,931.90 : 44,897.55 = 11,463.90 : x
  2. Step 2: Convert to fraction form
    29,931.90/44,897.55 = 11,463.90/x
  3. Step 3: Cross multiply
    29,931.90x = 44,897.55 × 11,463.90
  4. Step 4: Simplify right side
    29,931.90x = 514,701,023.45
  5. Step 5: Solve for x
    x = 514,701,023.45/29,931.90
  6. Step 6: Final answer
    x = 17,195.74

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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.