Home / 56,246.40-84,340.44-28,136.16

Finding the Fourth Proportional to 56,246.40, 84,340.44 and 28,136.16

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Solution

The fourth proportional to 56,246.40, 84,340.44 and 28,136.16 is: 42,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,246.40 : 84,340.44 = 28,136.16 : x
  2. Step 2: Convert to fraction form
    56,246.40/84,340.44 = 28,136.16/x
  3. Step 3: Cross multiply
    56,246.40x = 84,340.44 × 28,136.16
  4. Step 4: Simplify right side
    56,246.40x = 2,373,016,114.31
  5. Step 5: Solve for x
    x = 2,373,016,114.31/56,246.40
  6. Step 6: Final answer
    x = 42,189.65

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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.