Home / 40,031.08-60,032.22-13,728.76

Finding the Fourth Proportional to 40,031.08, 60,032.22 and 13,728.76

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Solution

The fourth proportional to 40,031.08, 60,032.22 and 13,728.76 is: 20,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.08 : 60,032.22 = 13,728.76 : x
  2. Step 2: Convert to fraction form
    40,031.08/60,032.22 = 13,728.76/x
  3. Step 3: Cross multiply
    40,031.08x = 60,032.22 × 13,728.76
  4. Step 4: Simplify right side
    40,031.08x = 824,167,940.65
  5. Step 5: Solve for x
    x = 824,167,940.65/40,031.08
  6. Step 6: Final answer
    x = 20,588.20

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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.