Home / 51,718.40-77,582.04-14,278.46

Finding the Fourth Proportional to 51,718.40, 77,582.04 and 14,278.46

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Solution

The fourth proportional to 51,718.40, 77,582.04 and 14,278.46 is: 21,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,718.40 : 77,582.04 = 14,278.46 : x
  2. Step 2: Convert to fraction form
    51,718.40/77,582.04 = 14,278.46/x
  3. Step 3: Cross multiply
    51,718.40x = 77,582.04 × 14,278.46
  4. Step 4: Simplify right side
    51,718.40x = 1,107,752,054.86
  5. Step 5: Solve for x
    x = 1,107,752,054.86/51,718.40
  6. Step 6: Final answer
    x = 21,418.92

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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.