Home / 37,023.29-55,510.23-20,391.20

Finding the Fourth Proportional to 37,023.29, 55,510.23 and 20,391.20

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Solution

The fourth proportional to 37,023.29, 55,510.23 and 20,391.20 is: 30,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,023.29 : 55,510.23 = 20,391.20 : x
  2. Step 2: Convert to fraction form
    37,023.29/55,510.23 = 20,391.20/x
  3. Step 3: Cross multiply
    37,023.29x = 55,510.23 × 20,391.20
  4. Step 4: Simplify right side
    37,023.29x = 1,131,920,201.98
  5. Step 5: Solve for x
    x = 1,131,920,201.98/37,023.29
  6. Step 6: Final answer
    x = 30,573.19

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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.