Home / 47,986.20-72,011.70-26,926.20

Finding the Fourth Proportional to 47,986.20, 72,011.70 and 26,926.20

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Solution

The fourth proportional to 47,986.20, 72,011.70 and 26,926.20 is: 40,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,986.20 : 72,011.70 = 26,926.20 : x
  2. Step 2: Convert to fraction form
    47,986.20/72,011.70 = 26,926.20/x
  3. Step 3: Cross multiply
    47,986.20x = 72,011.70 × 26,926.20
  4. Step 4: Simplify right side
    47,986.20x = 1,939,001,436.54
  5. Step 5: Solve for x
    x = 1,939,001,436.54/47,986.20
  6. Step 6: Final answer
    x = 40,407.48

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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.