Home / 58,909.38-81,219.62-38,176.22

Finding the Fourth Proportional to 58,909.38, 81,219.62 and 38,176.22

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Solution

The fourth proportional to 58,909.38, 81,219.62 and 38,176.22 is: 52,634.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,909.38 : 81,219.62 = 38,176.22 : x
  2. Step 2: Convert to fraction form
    58,909.38/81,219.62 = 38,176.22/x
  3. Step 3: Cross multiply
    58,909.38x = 81,219.62 × 38,176.22
  4. Step 4: Simplify right side
    58,909.38x = 3,100,657,484.46
  5. Step 5: Solve for x
    x = 3,100,657,484.46/58,909.38
  6. Step 6: Final answer
    x = 52,634.36

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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.