Home / 34,795.28-48,016.32-20,639.84

Finding the Fourth Proportional to 34,795.28, 48,016.32 and 20,639.84

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Solution

The fourth proportional to 34,795.28, 48,016.32 and 20,639.84 is: 28,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,795.28 : 48,016.32 = 20,639.84 : x
  2. Step 2: Convert to fraction form
    34,795.28/48,016.32 = 20,639.84/x
  3. Step 3: Cross multiply
    34,795.28x = 48,016.32 × 20,639.84
  4. Step 4: Simplify right side
    34,795.28x = 991,049,162.19
  5. Step 5: Solve for x
    x = 991,049,162.19/34,795.28
  6. Step 6: Final answer
    x = 28,482.29

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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.