Home / 23,030.41-34,545.49-19,900.90

Finding the Fourth Proportional to 23,030.41, 34,545.49 and 19,900.90

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Solution

The fourth proportional to 23,030.41, 34,545.49 and 19,900.90 is: 29,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,030.41 : 34,545.49 = 19,900.90 : x
  2. Step 2: Convert to fraction form
    23,030.41/34,545.49 = 19,900.90/x
  3. Step 3: Cross multiply
    23,030.41x = 34,545.49 × 19,900.90
  4. Step 4: Simplify right side
    23,030.41x = 687,486,341.94
  5. Step 5: Solve for x
    x = 687,486,341.94/23,030.41
  6. Step 6: Final answer
    x = 29,851.24

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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.