Home / 52,246.89-72,102.13-30,738.15

Finding the Fourth Proportional to 52,246.89, 72,102.13 and 30,738.15

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Solution

The fourth proportional to 52,246.89, 72,102.13 and 30,738.15 is: 42,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,246.89 : 72,102.13 = 30,738.15 : x
  2. Step 2: Convert to fraction form
    52,246.89/72,102.13 = 30,738.15/x
  3. Step 3: Cross multiply
    52,246.89x = 72,102.13 × 30,738.15
  4. Step 4: Simplify right side
    52,246.89x = 2,216,286,087.26
  5. Step 5: Solve for x
    x = 2,216,286,087.26/52,246.89
  6. Step 6: Final answer
    x = 42,419.48

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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.