Home / 47,332.17-65,321.51-30,587.85

Finding the Fourth Proportional to 47,332.17, 65,321.51 and 30,587.85

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Solution

The fourth proportional to 47,332.17, 65,321.51 and 30,587.85 is: 42,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,332.17 : 65,321.51 = 30,587.85 : x
  2. Step 2: Convert to fraction form
    47,332.17/65,321.51 = 30,587.85/x
  3. Step 3: Cross multiply
    47,332.17x = 65,321.51 × 30,587.85
  4. Step 4: Simplify right side
    47,332.17x = 1,998,044,396.71
  5. Step 5: Solve for x
    x = 1,998,044,396.71/47,332.17
  6. Step 6: Final answer
    x = 42,213.24

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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.