Home / 58,003.95-86,987.40-18,551.69

Finding the Fourth Proportional to 58,003.95, 86,987.40 and 18,551.69

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Solution

The fourth proportional to 58,003.95, 86,987.40 and 18,551.69 is: 27,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,003.95 : 86,987.40 = 18,551.69 : x
  2. Step 2: Convert to fraction form
    58,003.95/86,987.40 = 18,551.69/x
  3. Step 3: Cross multiply
    58,003.95x = 86,987.40 × 18,551.69
  4. Step 4: Simplify right side
    58,003.95x = 1,613,763,278.71
  5. Step 5: Solve for x
    x = 1,613,763,278.71/58,003.95
  6. Step 6: Final answer
    x = 27,821.61

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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.