Home / 51,869.13-77,803.76-14,429.20

Finding the Fourth Proportional to 51,869.13, 77,803.76 and 14,429.20

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Solution

The fourth proportional to 51,869.13, 77,803.76 and 14,429.20 is: 21,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,869.13 : 77,803.76 = 14,429.20 : x
  2. Step 2: Convert to fraction form
    51,869.13/77,803.76 = 14,429.20/x
  3. Step 3: Cross multiply
    51,869.13x = 77,803.76 × 14,429.20
  4. Step 4: Simplify right side
    51,869.13x = 1,122,646,013.79
  5. Step 5: Solve for x
    x = 1,122,646,013.79/51,869.13
  6. Step 6: Final answer
    x = 21,643.82

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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.