Home / 34,722.04-47,926.56-20,385.58

Finding the Fourth Proportional to 34,722.04, 47,926.56 and 20,385.58

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Solution

The fourth proportional to 34,722.04, 47,926.56 and 20,385.58 is: 28,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,722.04 : 47,926.56 = 20,385.58 : x
  2. Step 2: Convert to fraction form
    34,722.04/47,926.56 = 20,385.58/x
  3. Step 3: Cross multiply
    34,722.04x = 47,926.56 × 20,385.58
  4. Step 4: Simplify right side
    34,722.04x = 977,010,723.00
  5. Step 5: Solve for x
    x = 977,010,723.00/34,722.04
  6. Step 6: Final answer
    x = 28,138.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.