Home / 58,115.28-87,153.84-18,663.06

Finding the Fourth Proportional to 58,115.28, 87,153.84 and 18,663.06

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Solution

The fourth proportional to 58,115.28, 87,153.84 and 18,663.06 is: 27,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,115.28 : 87,153.84 = 18,663.06 : x
  2. Step 2: Convert to fraction form
    58,115.28/87,153.84 = 18,663.06/x
  3. Step 3: Cross multiply
    58,115.28x = 87,153.84 × 18,663.06
  4. Step 4: Simplify right side
    58,115.28x = 1,626,557,345.15
  5. Step 5: Solve for x
    x = 1,626,557,345.15/58,115.28
  6. Step 6: Final answer
    x = 27,988.46

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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.