Home / 53,711.16-80,560.50-14,271.42

Finding the Fourth Proportional to 53,711.16, 80,560.50 and 14,271.42

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Solution

The fourth proportional to 53,711.16, 80,560.50 and 14,271.42 is: 21,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,711.16 : 80,560.50 = 14,271.42 : x
  2. Step 2: Convert to fraction form
    53,711.16/80,560.50 = 14,271.42/x
  3. Step 3: Cross multiply
    53,711.16x = 80,560.50 × 14,271.42
  4. Step 4: Simplify right side
    53,711.16x = 1,149,712,730.91
  5. Step 5: Solve for x
    x = 1,149,712,730.91/53,711.16
  6. Step 6: Final answer
    x = 21,405.47

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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.