Home / 51,376.15-70,904.19-30,154.96

Finding the Fourth Proportional to 51,376.15, 70,904.19 and 30,154.96

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Solution

The fourth proportional to 51,376.15, 70,904.19 and 30,154.96 is: 41,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,376.15 : 70,904.19 = 30,154.96 : x
  2. Step 2: Convert to fraction form
    51,376.15/70,904.19 = 30,154.96/x
  3. Step 3: Cross multiply
    51,376.15x = 70,904.19 × 30,154.96
  4. Step 4: Simplify right side
    51,376.15x = 2,138,113,013.28
  5. Step 5: Solve for x
    x = 2,138,113,013.28/51,376.15
  6. Step 6: Final answer
    x = 41,616.84

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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.