Home / 35,219.28-48,601.98-20,888.76

Finding the Fourth Proportional to 35,219.28, 48,601.98 and 20,888.76

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Solution

The fourth proportional to 35,219.28, 48,601.98 and 20,888.76 is: 28,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,219.28 : 48,601.98 = 20,888.76 : x
  2. Step 2: Convert to fraction form
    35,219.28/48,601.98 = 20,888.76/x
  3. Step 3: Cross multiply
    35,219.28x = 48,601.98 × 20,888.76
  4. Step 4: Simplify right side
    35,219.28x = 1,015,235,095.74
  5. Step 5: Solve for x
    x = 1,015,235,095.74/35,219.28
  6. Step 6: Final answer
    x = 28,826.12

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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.