Home / 56,934.30-85,401.45-21,874.80

Finding the Fourth Proportional to 56,934.30, 85,401.45 and 21,874.80

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Solution

The fourth proportional to 56,934.30, 85,401.45 and 21,874.80 is: 32,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,934.30 : 85,401.45 = 21,874.80 : x
  2. Step 2: Convert to fraction form
    56,934.30/85,401.45 = 21,874.80/x
  3. Step 3: Cross multiply
    56,934.30x = 85,401.45 × 21,874.80
  4. Step 4: Simplify right side
    56,934.30x = 1,868,139,638.46
  5. Step 5: Solve for x
    x = 1,868,139,638.46/56,934.30
  6. Step 6: Final answer
    x = 32,812.20

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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.