Home / 56,747.04-85,117.32-21,690.24

Finding the Fourth Proportional to 56,747.04, 85,117.32 and 21,690.24

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Solution

The fourth proportional to 56,747.04, 85,117.32 and 21,690.24 is: 32,534.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,747.04 : 85,117.32 = 21,690.24 : x
  2. Step 2: Convert to fraction form
    56,747.04/85,117.32 = 21,690.24/x
  3. Step 3: Cross multiply
    56,747.04x = 85,117.32 × 21,690.24
  4. Step 4: Simplify right side
    56,747.04x = 1,846,215,098.96
  5. Step 5: Solve for x
    x = 1,846,215,098.96/56,747.04
  6. Step 6: Final answer
    x = 32,534.12

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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.