Home / 64,737.90-89,330.04-36,438.12

Finding the Fourth Proportional to 64,737.90, 89,330.04 and 36,438.12

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Solution

The fourth proportional to 64,737.90, 89,330.04 and 36,438.12 is: 50,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,737.90 : 89,330.04 = 36,438.12 : x
  2. Step 2: Convert to fraction form
    64,737.90/89,330.04 = 36,438.12/x
  3. Step 3: Cross multiply
    64,737.90x = 89,330.04 × 36,438.12
  4. Step 4: Simplify right side
    64,737.90x = 3,255,018,717.12
  5. Step 5: Solve for x
    x = 3,255,018,717.12/64,737.90
  6. Step 6: Final answer
    x = 50,279.96

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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.