Home / 51,391.56-77,092.47-13,952.23

Finding the Fourth Proportional to 51,391.56, 77,092.47 and 13,952.23

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Solution

The fourth proportional to 51,391.56, 77,092.47 and 13,952.23 is: 20,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,391.56 : 77,092.47 = 13,952.23 : x
  2. Step 2: Convert to fraction form
    51,391.56/77,092.47 = 13,952.23/x
  3. Step 3: Cross multiply
    51,391.56x = 77,092.47 × 13,952.23
  4. Step 4: Simplify right side
    51,391.56x = 1,075,611,872.71
  5. Step 5: Solve for x
    x = 1,075,611,872.71/51,391.56
  6. Step 6: Final answer
    x = 20,929.74

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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.