Home / 57,390.27-79,199.01-31,897.14

Finding the Fourth Proportional to 57,390.27, 79,199.01 and 31,897.14

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Solution

The fourth proportional to 57,390.27, 79,199.01 and 31,897.14 is: 44,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,390.27 : 79,199.01 = 31,897.14 : x
  2. Step 2: Convert to fraction form
    57,390.27/79,199.01 = 31,897.14/x
  3. Step 3: Cross multiply
    57,390.27x = 79,199.01 × 31,897.14
  4. Step 4: Simplify right side
    57,390.27x = 2,526,221,909.83
  5. Step 5: Solve for x
    x = 2,526,221,909.83/57,390.27
  6. Step 6: Final answer
    x = 44,018.30

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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.