Home / 40,021.02-60,031.33-10,438.20

Finding the Fourth Proportional to 40,021.02, 60,031.33 and 10,438.20

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Solution

The fourth proportional to 40,021.02, 60,031.33 and 10,438.20 is: 15,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.02 : 60,031.33 = 10,438.20 : x
  2. Step 2: Convert to fraction form
    40,021.02/60,031.33 = 10,438.20/x
  3. Step 3: Cross multiply
    40,021.02x = 60,031.33 × 10,438.20
  4. Step 4: Simplify right side
    40,021.02x = 626,619,002.71
  5. Step 5: Solve for x
    x = 626,619,002.71/40,021.02
  6. Step 6: Final answer
    x = 15,657.25

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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.