Home / 40,021.17-60,031.73-10,438.92

Finding the Fourth Proportional to 40,021.17, 60,031.73 and 10,438.92

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Solution

The fourth proportional to 40,021.17, 60,031.73 and 10,438.92 is: 15,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.17 : 60,031.73 = 10,438.92 : x
  2. Step 2: Convert to fraction form
    40,021.17/60,031.73 = 10,438.92/x
  3. Step 3: Cross multiply
    40,021.17x = 60,031.73 × 10,438.92
  4. Step 4: Simplify right side
    40,021.17x = 626,666,374.74
  5. Step 5: Solve for x
    x = 626,666,374.74/40,021.17
  6. Step 6: Final answer
    x = 15,658.37

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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.