Home / 56,158.08-84,245.44-18,705.92

Finding the Fourth Proportional to 56,158.08, 84,245.44 and 18,705.92

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Solution

The fourth proportional to 56,158.08, 84,245.44 and 18,705.92 is: 28,061.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,158.08 : 84,245.44 = 18,705.92 : x
  2. Step 2: Convert to fraction form
    56,158.08/84,245.44 = 18,705.92/x
  3. Step 3: Cross multiply
    56,158.08x = 84,245.44 × 18,705.92
  4. Step 4: Simplify right side
    56,158.08x = 1,575,888,461.00
  5. Step 5: Solve for x
    x = 1,575,888,461.00/56,158.08
  6. Step 6: Final answer
    x = 28,061.65

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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.