Home / 89,635.59-134,421.93-26,438.90

Finding the Fourth Proportional to 89,635.59, 134,421.93 and 26,438.90

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Solution

The fourth proportional to 89,635.59, 134,421.93 and 26,438.90 is: 39,649.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,635.59 : 134,421.93 = 26,438.90 : x
  2. Step 2: Convert to fraction form
    89,635.59/134,421.93 = 26,438.90/x
  3. Step 3: Cross multiply
    89,635.59x = 134,421.93 × 26,438.90
  4. Step 4: Simplify right side
    89,635.59x = 3,553,967,292.97
  5. Step 5: Solve for x
    x = 3,553,967,292.97/89,635.59
  6. Step 6: Final answer
    x = 39,649.06

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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.