Home / 52,585.30-78,831.17-19,297.74

Finding the Fourth Proportional to 52,585.30, 78,831.17 and 19,297.74

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Solution

The fourth proportional to 52,585.30, 78,831.17 and 19,297.74 is: 28,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,585.30 : 78,831.17 = 19,297.74 : x
  2. Step 2: Convert to fraction form
    52,585.30/78,831.17 = 19,297.74/x
  3. Step 3: Cross multiply
    52,585.30x = 78,831.17 × 19,297.74
  4. Step 4: Simplify right side
    52,585.30x = 1,521,263,326.07
  5. Step 5: Solve for x
    x = 1,521,263,326.07/52,585.30
  6. Step 6: Final answer
    x = 28,929.44

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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.