Home / 58,780.12-88,151.46-19,328.08

Finding the Fourth Proportional to 58,780.12, 88,151.46 and 19,328.08

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Solution

The fourth proportional to 58,780.12, 88,151.46 and 19,328.08 is: 28,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,780.12 : 88,151.46 = 19,328.08 : x
  2. Step 2: Convert to fraction form
    58,780.12/88,151.46 = 19,328.08/x
  3. Step 3: Cross multiply
    58,780.12x = 88,151.46 × 19,328.08
  4. Step 4: Simplify right side
    58,780.12x = 1,703,798,471.00
  5. Step 5: Solve for x
    x = 1,703,798,471.00/58,780.12
  6. Step 6: Final answer
    x = 28,985.96

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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.