Home / 55,831.03-77,047.13-30,337.61

Finding the Fourth Proportional to 55,831.03, 77,047.13 and 30,337.61

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Solution

The fourth proportional to 55,831.03, 77,047.13 and 30,337.61 is: 41,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.03 : 77,047.13 = 30,337.61 : x
  2. Step 2: Convert to fraction form
    55,831.03/77,047.13 = 30,337.61/x
  3. Step 3: Cross multiply
    55,831.03x = 77,047.13 × 30,337.61
  4. Step 4: Simplify right side
    55,831.03x = 2,337,425,472.17
  5. Step 5: Solve for x
    x = 2,337,425,472.17/55,831.03
  6. Step 6: Final answer
    x = 41,866.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.