Home / 51,728.95-77,593.31-14,288.93

Finding the Fourth Proportional to 51,728.95, 77,593.31 and 14,288.93

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Solution

The fourth proportional to 51,728.95, 77,593.31 and 14,288.93 is: 21,433.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,728.95 : 77,593.31 = 14,288.93 : x
  2. Step 2: Convert to fraction form
    51,728.95/77,593.31 = 14,288.93/x
  3. Step 3: Cross multiply
    51,728.95x = 77,593.31 × 14,288.93
  4. Step 4: Simplify right side
    51,728.95x = 1,108,724,915.65
  5. Step 5: Solve for x
    x = 1,108,724,915.65/51,728.95
  6. Step 6: Final answer
    x = 21,433.36

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1.5x scale

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.