Home / 58,670.30-88,013.82-19,218.98

Finding the Fourth Proportional to 58,670.30, 88,013.82 and 19,218.98

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Solution

The fourth proportional to 58,670.30, 88,013.82 and 19,218.98 is: 28,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,670.30 : 88,013.82 = 19,218.98 : x
  2. Step 2: Convert to fraction form
    58,670.30/88,013.82 = 19,218.98/x
  3. Step 3: Cross multiply
    58,670.30x = 88,013.82 × 19,218.98
  4. Step 4: Simplify right side
    58,670.30x = 1,691,535,846.30
  5. Step 5: Solve for x
    x = 1,691,535,846.30/58,670.30
  6. Step 6: Final answer
    x = 28,831.21

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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.