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Finding the Fourth Proportional to 60,473.60, 83,447.52 and 34,978.04

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Solution

The fourth proportional to 60,473.60, 83,447.52 and 34,978.04 is: 48,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,473.60 : 83,447.52 = 34,978.04 : x
  2. Step 2: Convert to fraction form
    60,473.60/83,447.52 = 34,978.04/x
  3. Step 3: Cross multiply
    60,473.60x = 83,447.52 × 34,978.04
  4. Step 4: Simplify right side
    60,473.60x = 2,918,830,692.46
  5. Step 5: Solve for x
    x = 2,918,830,692.46/60,473.60
  6. Step 6: Final answer
    x = 48,266.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.