Home / 57,618.76-79,580.10-38,465.19

Finding the Fourth Proportional to 57,618.76, 79,580.10 and 38,465.19

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Solution

The fourth proportional to 57,618.76, 79,580.10 and 38,465.19 is: 53,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,618.76 : 79,580.10 = 38,465.19 : x
  2. Step 2: Convert to fraction form
    57,618.76/79,580.10 = 38,465.19/x
  3. Step 3: Cross multiply
    57,618.76x = 79,580.10 × 38,465.19
  4. Step 4: Simplify right side
    57,618.76x = 3,061,063,666.72
  5. Step 5: Solve for x
    x = 3,061,063,666.72/57,618.76
  6. Step 6: Final answer
    x = 53,126.16

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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.