Home / 63,628.16-87,766.49-39,088.22

Finding the Fourth Proportional to 63,628.16, 87,766.49 and 39,088.22

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Solution

The fourth proportional to 63,628.16, 87,766.49 and 39,088.22 is: 53,916.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,628.16 : 87,766.49 = 39,088.22 : x
  2. Step 2: Convert to fraction form
    63,628.16/87,766.49 = 39,088.22/x
  3. Step 3: Cross multiply
    63,628.16x = 87,766.49 × 39,088.22
  4. Step 4: Simplify right side
    63,628.16x = 3,430,635,235.47
  5. Step 5: Solve for x
    x = 3,430,635,235.47/63,628.16
  6. Step 6: Final answer
    x = 53,916.94

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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.