Home / 56,282.45-84,363.53-18,808.20

Finding the Fourth Proportional to 56,282.45, 84,363.53 and 18,808.20

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Solution

The fourth proportional to 56,282.45, 84,363.53 and 18,808.20 is: 28,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,282.45 : 84,363.53 = 18,808.20 : x
  2. Step 2: Convert to fraction form
    56,282.45/84,363.53 = 18,808.20/x
  3. Step 3: Cross multiply
    56,282.45x = 84,363.53 × 18,808.20
  4. Step 4: Simplify right side
    56,282.45x = 1,586,726,050.91
  5. Step 5: Solve for x
    x = 1,586,726,050.91/56,282.45
  6. Step 6: Final answer
    x = 28,192.20

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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.