Home / 34,226.74-47,213.18-20,605.31

Finding the Fourth Proportional to 34,226.74, 47,213.18 and 20,605.31

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Solution

The fourth proportional to 34,226.74, 47,213.18 and 20,605.31 is: 28,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,226.74 : 47,213.18 = 20,605.31 : x
  2. Step 2: Convert to fraction form
    34,226.74/47,213.18 = 20,605.31/x
  3. Step 3: Cross multiply
    34,226.74x = 47,213.18 × 20,605.31
  4. Step 4: Simplify right side
    34,226.74x = 972,841,973.92
  5. Step 5: Solve for x
    x = 972,841,973.92/34,226.74
  6. Step 6: Final answer
    x = 28,423.45

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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.