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Finding the Fourth Proportional to 62,215.40, 93,104.40 and 42,532.40

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Solution

The fourth proportional to 62,215.40, 93,104.40 and 42,532.40 is: 63,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,215.40 : 93,104.40 = 42,532.40 : x
  2. Step 2: Convert to fraction form
    62,215.40/93,104.40 = 42,532.40/x
  3. Step 3: Cross multiply
    62,215.40x = 93,104.40 × 42,532.40
  4. Step 4: Simplify right side
    62,215.40x = 3,959,953,582.56
  5. Step 5: Solve for x
    x = 3,959,953,582.56/62,215.40
  6. Step 6: Final answer
    x = 63,649.09

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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.