Home / 40,779.92-56,271.76-22,871.20

Finding the Fourth Proportional to 40,779.92, 56,271.76 and 22,871.20

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Solution

The fourth proportional to 40,779.92, 56,271.76 and 22,871.20 is: 31,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,779.92 : 56,271.76 = 22,871.20 : x
  2. Step 2: Convert to fraction form
    40,779.92/56,271.76 = 22,871.20/x
  3. Step 3: Cross multiply
    40,779.92x = 56,271.76 × 22,871.20
  4. Step 4: Simplify right side
    40,779.92x = 1,287,002,677.31
  5. Step 5: Solve for x
    x = 1,287,002,677.31/40,779.92
  6. Step 6: Final answer
    x = 31,559.72

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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.