Home / 47,154.42-70,723.80-13,870.62

Finding the Fourth Proportional to 47,154.42, 70,723.80 and 13,870.62

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Solution

The fourth proportional to 47,154.42, 70,723.80 and 13,870.62 is: 20,803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,154.42 : 70,723.80 = 13,870.62 : x
  2. Step 2: Convert to fraction form
    47,154.42/70,723.80 = 13,870.62/x
  3. Step 3: Cross multiply
    47,154.42x = 70,723.80 × 13,870.62
  4. Step 4: Simplify right side
    47,154.42x = 980,982,954.76
  5. Step 5: Solve for x
    x = 980,982,954.76/47,154.42
  6. Step 6: Final answer
    x = 20,803.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.