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Finding the Fourth Proportional to 62,424.14, 86,152.86 and 35,205.40

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Solution

The fourth proportional to 62,424.14, 86,152.86 and 35,205.40 is: 48,587.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,424.14 : 86,152.86 = 35,205.40 : x
  2. Step 2: Convert to fraction form
    62,424.14/86,152.86 = 35,205.40/x
  3. Step 3: Cross multiply
    62,424.14x = 86,152.86 × 35,205.40
  4. Step 4: Simplify right side
    62,424.14x = 3,033,045,897.44
  5. Step 5: Solve for x
    x = 3,033,045,897.44/62,424.14
  6. Step 6: Final answer
    x = 48,587.71

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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.