Home / 38,040.98-57,030.55-15,870.87

Finding the Fourth Proportional to 38,040.98, 57,030.55 and 15,870.87

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Solution

The fourth proportional to 38,040.98, 57,030.55 and 15,870.87 is: 23,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,040.98 : 57,030.55 = 15,870.87 : x
  2. Step 2: Convert to fraction form
    38,040.98/57,030.55 = 15,870.87/x
  3. Step 3: Cross multiply
    38,040.98x = 57,030.55 × 15,870.87
  4. Step 4: Simplify right side
    38,040.98x = 905,124,405.40
  5. Step 5: Solve for x
    x = 905,124,405.40/38,040.98
  6. Step 6: Final answer
    x = 23,793.41

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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.