Home / 70,818.13-106,227.20-21,570.13

Finding the Fourth Proportional to 70,818.13, 106,227.20 and 21,570.13

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Solution

The fourth proportional to 70,818.13, 106,227.20 and 21,570.13 is: 32,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,818.13 : 106,227.20 = 21,570.13 : x
  2. Step 2: Convert to fraction form
    70,818.13/106,227.20 = 21,570.13/x
  3. Step 3: Cross multiply
    70,818.13x = 106,227.20 × 21,570.13
  4. Step 4: Simplify right side
    70,818.13x = 2,291,334,513.54
  5. Step 5: Solve for x
    x = 2,291,334,513.54/70,818.13
  6. Step 6: Final answer
    x = 32,355.20

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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.