Home / 67,779.40-101,682.66-23,407.76

Finding the Fourth Proportional to 67,779.40, 101,682.66 and 23,407.76

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Solution

The fourth proportional to 67,779.40, 101,682.66 and 23,407.76 is: 35,116.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,779.40 : 101,682.66 = 23,407.76 : x
  2. Step 2: Convert to fraction form
    67,779.40/101,682.66 = 23,407.76/x
  3. Step 3: Cross multiply
    67,779.40x = 101,682.66 × 23,407.76
  4. Step 4: Simplify right side
    67,779.40x = 2,380,163,301.44
  5. Step 5: Solve for x
    x = 2,380,163,301.44/67,779.40
  6. Step 6: Final answer
    x = 35,116.32

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1.5x scale

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.