Home / 58,001.28-86,987.72-18,550.22

Finding the Fourth Proportional to 58,001.28, 86,987.72 and 18,550.22

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Solution

The fourth proportional to 58,001.28, 86,987.72 and 18,550.22 is: 27,820.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,001.28 : 86,987.72 = 18,550.22 : x
  2. Step 2: Convert to fraction form
    58,001.28/86,987.72 = 18,550.22/x
  3. Step 3: Cross multiply
    58,001.28x = 86,987.72 × 18,550.22
  4. Step 4: Simplify right side
    58,001.28x = 1,613,641,343.30
  5. Step 5: Solve for x
    x = 1,613,641,343.30/58,001.28
  6. Step 6: Final answer
    x = 27,820.79

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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.