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Finding the Fourth Proportional to 34,646.40, 51,962.40 and 14,925.60

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Solution

The fourth proportional to 34,646.40, 51,962.40 and 14,925.60 is: 22,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,646.40 : 51,962.40 = 14,925.60 : x
  2. Step 2: Convert to fraction form
    34,646.40/51,962.40 = 14,925.60/x
  3. Step 3: Cross multiply
    34,646.40x = 51,962.40 × 14,925.60
  4. Step 4: Simplify right side
    34,646.40x = 775,569,997.44
  5. Step 5: Solve for x
    x = 775,569,997.44/34,646.40
  6. Step 6: Final answer
    x = 22,385.30

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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.