Home / 40,718.45-56,189.90-22,812.56

Finding the Fourth Proportional to 40,718.45, 56,189.90 and 22,812.56

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Solution

The fourth proportional to 40,718.45, 56,189.90 and 22,812.56 is: 31,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,718.45 : 56,189.90 = 22,812.56 : x
  2. Step 2: Convert to fraction form
    40,718.45/56,189.90 = 22,812.56/x
  3. Step 3: Cross multiply
    40,718.45x = 56,189.90 × 22,812.56
  4. Step 4: Simplify right side
    40,718.45x = 1,281,835,070.13
  5. Step 5: Solve for x
    x = 1,281,835,070.13/40,718.45
  6. Step 6: Final answer
    x = 31,480.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.