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Finding the Fourth Proportional to 60,059.61, 82,884.60 and 39,881.70

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Solution

The fourth proportional to 60,059.61, 82,884.60 and 39,881.70 is: 55,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,059.61 : 82,884.60 = 39,881.70 : x
  2. Step 2: Convert to fraction form
    60,059.61/82,884.60 = 39,881.70/x
  3. Step 3: Cross multiply
    60,059.61x = 82,884.60 × 39,881.70
  4. Step 4: Simplify right side
    60,059.61x = 3,305,578,751.82
  5. Step 5: Solve for x
    x = 3,305,578,751.82/60,059.61
  6. Step 6: Final answer
    x = 55,038.30

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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.