Home / 37,565.12-56,402.88-20,957.60

Finding the Fourth Proportional to 37,565.12, 56,402.88 and 20,957.60

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Solution

The fourth proportional to 37,565.12, 56,402.88 and 20,957.60 is: 31,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,565.12 : 56,402.88 = 20,957.60 : x
  2. Step 2: Convert to fraction form
    37,565.12/56,402.88 = 20,957.60/x
  3. Step 3: Cross multiply
    37,565.12x = 56,402.88 × 20,957.60
  4. Step 4: Simplify right side
    37,565.12x = 1,182,068,997.89
  5. Step 5: Solve for x
    x = 1,182,068,997.89/37,565.12
  6. Step 6: Final answer
    x = 31,467.20

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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.