Home / 63,535.18-87,641.90-39,620.34

Finding the Fourth Proportional to 63,535.18, 87,641.90 and 39,620.34

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Solution

The fourth proportional to 63,535.18, 87,641.90 and 39,620.34 is: 54,653.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,535.18 : 87,641.90 = 39,620.34 : x
  2. Step 2: Convert to fraction form
    63,535.18/87,641.90 = 39,620.34/x
  3. Step 3: Cross multiply
    63,535.18x = 87,641.90 × 39,620.34
  4. Step 4: Simplify right side
    63,535.18x = 3,472,401,876.25
  5. Step 5: Solve for x
    x = 3,472,401,876.25/63,535.18
  6. Step 6: Final answer
    x = 54,653.22

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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.