Home / 47,186.90-70,780.35-26,407.70

Finding the Fourth Proportional to 47,186.90, 70,780.35 and 26,407.70

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Solution

The fourth proportional to 47,186.90, 70,780.35 and 26,407.70 is: 39,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,186.90 : 70,780.35 = 26,407.70 : x
  2. Step 2: Convert to fraction form
    47,186.90/70,780.35 = 26,407.70/x
  3. Step 3: Cross multiply
    47,186.90x = 70,780.35 × 26,407.70
  4. Step 4: Simplify right side
    47,186.90x = 1,869,146,248.70
  5. Step 5: Solve for x
    x = 1,869,146,248.70/47,186.90
  6. Step 6: Final answer
    x = 39,611.55

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1.5x scale

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.