Home / 63,283.12-87,331.80-34,988.92

Finding the Fourth Proportional to 63,283.12, 87,331.80 and 34,988.92

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Solution

The fourth proportional to 63,283.12, 87,331.80 and 34,988.92 is: 48,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,283.12 : 87,331.80 = 34,988.92 : x
  2. Step 2: Convert to fraction form
    63,283.12/87,331.80 = 34,988.92/x
  3. Step 3: Cross multiply
    63,283.12x = 87,331.80 × 34,988.92
  4. Step 4: Simplify right side
    63,283.12x = 3,055,645,363.66
  5. Step 5: Solve for x
    x = 3,055,645,363.66/63,283.12
  6. Step 6: Final answer
    x = 48,285.31

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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.