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Finding the Fourth Proportional to 60,056.64, 90,070.99 and 22,620.47

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Solution

The fourth proportional to 60,056.64, 90,070.99 and 22,620.47 is: 33,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,056.64 : 90,070.99 = 22,620.47 : x
  2. Step 2: Convert to fraction form
    60,056.64/90,070.99 = 22,620.47/x
  3. Step 3: Cross multiply
    60,056.64x = 90,070.99 × 22,620.47
  4. Step 4: Simplify right side
    60,056.64x = 2,037,447,620.26
  5. Step 5: Solve for x
    x = 2,037,447,620.26/60,056.64
  6. Step 6: Final answer
    x = 33,925.43

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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.