Home / 48,570.72-72,856.20-13,510.38

Finding the Fourth Proportional to 48,570.72, 72,856.20 and 13,510.38

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Solution

The fourth proportional to 48,570.72, 72,856.20 and 13,510.38 is: 20,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,570.72 : 72,856.20 = 13,510.38 : x
  2. Step 2: Convert to fraction form
    48,570.72/72,856.20 = 13,510.38/x
  3. Step 3: Cross multiply
    48,570.72x = 72,856.20 × 13,510.38
  4. Step 4: Simplify right side
    48,570.72x = 984,314,947.36
  5. Step 5: Solve for x
    x = 984,314,947.36/48,570.72
  6. Step 6: Final answer
    x = 20,265.60

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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.