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Finding the Fourth Proportional to 62,047.40, 93,071.10 and 38,427.80

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Solution

The fourth proportional to 62,047.40, 93,071.10 and 38,427.80 is: 57,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,047.40 : 93,071.10 = 38,427.80 : x
  2. Step 2: Convert to fraction form
    62,047.40/93,071.10 = 38,427.80/x
  3. Step 3: Cross multiply
    62,047.40x = 93,071.10 × 38,427.80
  4. Step 4: Simplify right side
    62,047.40x = 3,576,517,616.58
  5. Step 5: Solve for x
    x = 3,576,517,616.58/62,047.40
  6. Step 6: Final answer
    x = 57,641.70

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Similar ratio
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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.