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Finding the Fourth Proportional to 56,491.40, 84,737.10 and 34,348.16

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Solution

The fourth proportional to 56,491.40, 84,737.10 and 34,348.16 is: 51,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,491.40 : 84,737.10 = 34,348.16 : x
  2. Step 2: Convert to fraction form
    56,491.40/84,737.10 = 34,348.16/x
  3. Step 3: Cross multiply
    56,491.40x = 84,737.10 × 34,348.16
  4. Step 4: Simplify right side
    56,491.40x = 2,910,563,468.74
  5. Step 5: Solve for x
    x = 2,910,563,468.74/56,491.40
  6. Step 6: Final answer
    x = 51,522.24

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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.