Home / 47,212-70,830.15-17,630.04

Finding the Fourth Proportional to 47,212, 70,830.15 and 17,630.04

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Solution

The fourth proportional to 47,212, 70,830.15 and 17,630.04 is: 26,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,212 : 70,830.15 = 17,630.04 : x
  2. Step 2: Convert to fraction form
    47,212/70,830.15 = 17,630.04/x
  3. Step 3: Cross multiply
    47,212x = 70,830.15 × 17,630.04
  4. Step 4: Simplify right side
    47,212x = 1,248,738,377.71
  5. Step 5: Solve for x
    x = 1,248,738,377.71/47,212
  6. Step 6: Final answer
    x = 26,449.60

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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.