Home / 48,923.64-67,510.80-28,781.28

Finding the Fourth Proportional to 48,923.64, 67,510.80 and 28,781.28

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Solution

The fourth proportional to 48,923.64, 67,510.80 and 28,781.28 is: 39,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,923.64 : 67,510.80 = 28,781.28 : x
  2. Step 2: Convert to fraction form
    48,923.64/67,510.80 = 28,781.28/x
  3. Step 3: Cross multiply
    48,923.64x = 67,510.80 × 28,781.28
  4. Step 4: Simplify right side
    48,923.64x = 1,943,047,237.82
  5. Step 5: Solve for x
    x = 1,943,047,237.82/48,923.64
  6. Step 6: Final answer
    x = 39,715.92

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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.