Home / 47,168.90-70,742.31-17,587.46

Finding the Fourth Proportional to 47,168.90, 70,742.31 and 17,587.46

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Solution

The fourth proportional to 47,168.90, 70,742.31 and 17,587.46 is: 26,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,168.90 : 70,742.31 = 17,587.46 : x
  2. Step 2: Convert to fraction form
    47,168.90/70,742.31 = 17,587.46/x
  3. Step 3: Cross multiply
    47,168.90x = 70,742.31 × 17,587.46
  4. Step 4: Simplify right side
    47,168.90x = 1,244,177,547.43
  5. Step 5: Solve for x
    x = 1,244,177,547.43/47,168.90
  6. Step 6: Final answer
    x = 26,377.07

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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.