Home / 51,471.24-71,030.70-29,115.24

Finding the Fourth Proportional to 51,471.24, 71,030.70 and 29,115.24

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Solution

The fourth proportional to 51,471.24, 71,030.70 and 29,115.24 is: 40,179.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,471.24 : 71,030.70 = 29,115.24 : x
  2. Step 2: Convert to fraction form
    51,471.24/71,030.70 = 29,115.24/x
  3. Step 3: Cross multiply
    51,471.24x = 71,030.70 × 29,115.24
  4. Step 4: Simplify right side
    51,471.24x = 2,068,075,877.87
  5. Step 5: Solve for x
    x = 2,068,075,877.87/51,471.24
  6. Step 6: Final answer
    x = 40,179.25

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1.5x scale

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.