Home / 47,376.35-70,938.68-28,631.02

Finding the Fourth Proportional to 47,376.35, 70,938.68 and 28,631.02

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Solution

The fourth proportional to 47,376.35, 70,938.68 and 28,631.02 is: 42,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,376.35 : 70,938.68 = 28,631.02 : x
  2. Step 2: Convert to fraction form
    47,376.35/70,938.68 = 28,631.02/x
  3. Step 3: Cross multiply
    47,376.35x = 70,938.68 × 28,631.02
  4. Step 4: Simplify right side
    47,376.35x = 2,031,046,765.85
  5. Step 5: Solve for x
    x = 2,031,046,765.85/47,376.35
  6. Step 6: Final answer
    x = 42,870.48

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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.