Home / 40,009.68-60,031.80-22,453.20

Finding the Fourth Proportional to 40,009.68, 60,031.80 and 22,453.20

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Solution

The fourth proportional to 40,009.68, 60,031.80 and 22,453.20 is: 33,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,009.68 : 60,031.80 = 22,453.20 : x
  2. Step 2: Convert to fraction form
    40,009.68/60,031.80 = 22,453.20/x
  3. Step 3: Cross multiply
    40,009.68x = 60,031.80 × 22,453.20
  4. Step 4: Simplify right side
    40,009.68x = 1,347,906,011.76
  5. Step 5: Solve for x
    x = 1,347,906,011.76/40,009.68
  6. Step 6: Final answer
    x = 33,689.50

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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.