Home / 31,575.12-47,088.24-31,151.39

Finding the Fourth Proportional to 31,575.12, 47,088.24 and 31,151.39

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Solution

The fourth proportional to 31,575.12, 47,088.24 and 31,151.39 is: 46,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575.12 : 47,088.24 = 31,151.39 : x
  2. Step 2: Convert to fraction form
    31,575.12/47,088.24 = 31,151.39/x
  3. Step 3: Cross multiply
    31,575.12x = 47,088.24 × 31,151.39
  4. Step 4: Simplify right side
    31,575.12x = 1,466,863,776.39
  5. Step 5: Solve for x
    x = 1,466,863,776.39/31,575.12
  6. Step 6: Final answer
    x = 46,456.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.