Home / 51,970.01-71,718.80-29,000.79

Finding the Fourth Proportional to 51,970.01, 71,718.80 and 29,000.79

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Solution

The fourth proportional to 51,970.01, 71,718.80 and 29,000.79 is: 40,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,970.01 : 71,718.80 = 29,000.79 : x
  2. Step 2: Convert to fraction form
    51,970.01/71,718.80 = 29,000.79/x
  3. Step 3: Cross multiply
    51,970.01x = 71,718.80 × 29,000.79
  4. Step 4: Simplify right side
    51,970.01x = 2,079,901,712.85
  5. Step 5: Solve for x
    x = 2,079,901,712.85/51,970.01
  6. Step 6: Final answer
    x = 40,021.20

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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.