Home / 55,831.13-83,730.04-18,384.29

Finding the Fourth Proportional to 55,831.13, 83,730.04 and 18,384.29

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Solution

The fourth proportional to 55,831.13, 83,730.04 and 18,384.29 is: 27,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.13 : 83,730.04 = 18,384.29 : x
  2. Step 2: Convert to fraction form
    55,831.13/83,730.04 = 18,384.29/x
  3. Step 3: Cross multiply
    55,831.13x = 83,730.04 × 18,384.29
  4. Step 4: Simplify right side
    55,831.13x = 1,539,317,337.07
  5. Step 5: Solve for x
    x = 1,539,317,337.07/55,831.13
  6. Step 6: Final answer
    x = 27,570.95

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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.