Home / 56,401.92-84,633.60-31,779.84

Finding the Fourth Proportional to 56,401.92, 84,633.60 and 31,779.84

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Solution

The fourth proportional to 56,401.92, 84,633.60 and 31,779.84 is: 47,687.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,401.92 : 84,633.60 = 31,779.84 : x
  2. Step 2: Convert to fraction form
    56,401.92/84,633.60 = 31,779.84/x
  3. Step 3: Cross multiply
    56,401.92x = 84,633.60 × 31,779.84
  4. Step 4: Simplify right side
    56,401.92x = 2,689,642,266.62
  5. Step 5: Solve for x
    x = 2,689,642,266.62/56,401.92
  6. Step 6: Final answer
    x = 47,687.07

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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.