Home / 89,031.59-133,567.37-29,865.74

Finding the Fourth Proportional to 89,031.59, 133,567.37 and 29,865.74

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Solution

The fourth proportional to 89,031.59, 133,567.37 and 29,865.74 is: 44,805.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,031.59 : 133,567.37 = 29,865.74 : x
  2. Step 2: Convert to fraction form
    89,031.59/133,567.37 = 29,865.74/x
  3. Step 3: Cross multiply
    89,031.59x = 133,567.37 × 29,865.74
  4. Step 4: Simplify right side
    89,031.59x = 3,989,087,527.74
  5. Step 5: Solve for x
    x = 3,989,087,527.74/89,031.59
  6. Step 6: Final answer
    x = 44,805.31

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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.