Home / 58,001.90-86,988.67-18,550.85

Finding the Fourth Proportional to 58,001.90, 86,988.67 and 18,550.85

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Solution

The fourth proportional to 58,001.90, 86,988.67 and 18,550.85 is: 27,821.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,001.90 : 86,988.67 = 18,550.85 : x
  2. Step 2: Convert to fraction form
    58,001.90/86,988.67 = 18,550.85/x
  3. Step 3: Cross multiply
    58,001.90x = 86,988.67 × 18,550.85
  4. Step 4: Simplify right side
    58,001.90x = 1,613,713,287.55
  5. Step 5: Solve for x
    x = 1,613,713,287.55/58,001.90
  6. Step 6: Final answer
    x = 27,821.73

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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.