Home / 38,031.98-57,023.67-18,271.22

Finding the Fourth Proportional to 38,031.98, 57,023.67 and 18,271.22

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Solution

The fourth proportional to 38,031.98, 57,023.67 and 18,271.22 is: 27,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,031.98 : 57,023.67 = 18,271.22 : x
  2. Step 2: Convert to fraction form
    38,031.98/57,023.67 = 18,271.22/x
  3. Step 3: Cross multiply
    38,031.98x = 57,023.67 × 18,271.22
  4. Step 4: Simplify right side
    38,031.98x = 1,041,892,019.78
  5. Step 5: Solve for x
    x = 1,041,892,019.78/38,031.98
  6. Step 6: Final answer
    x = 27,395.16

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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.