Home / 35,465.81-48,947.24-20,363.20

Finding the Fourth Proportional to 35,465.81, 48,947.24 and 20,363.20

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Solution

The fourth proportional to 35,465.81, 48,947.24 and 20,363.20 is: 28,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,465.81 : 48,947.24 = 20,363.20 : x
  2. Step 2: Convert to fraction form
    35,465.81/48,947.24 = 20,363.20/x
  3. Step 3: Cross multiply
    35,465.81x = 48,947.24 × 20,363.20
  4. Step 4: Simplify right side
    35,465.81x = 996,722,366.11
  5. Step 5: Solve for x
    x = 996,722,366.11/35,465.81
  6. Step 6: Final answer
    x = 28,103.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.