Home / 51,838.31-71,539.15-29,178.77

Finding the Fourth Proportional to 51,838.31, 71,539.15 and 29,178.77

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Solution

The fourth proportional to 51,838.31, 71,539.15 and 29,178.77 is: 40,267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,838.31 : 71,539.15 = 29,178.77 : x
  2. Step 2: Convert to fraction form
    51,838.31/71,539.15 = 29,178.77/x
  3. Step 3: Cross multiply
    51,838.31x = 71,539.15 × 29,178.77
  4. Step 4: Simplify right side
    51,838.31x = 2,087,423,900.26
  5. Step 5: Solve for x
    x = 2,087,423,900.26/51,838.31
  6. Step 6: Final answer
    x = 40,267.98

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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.