Home / 34,204.61-47,203.16-21,458.32

Finding the Fourth Proportional to 34,204.61, 47,203.16 and 21,458.32

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Solution

The fourth proportional to 34,204.61, 47,203.16 and 21,458.32 is: 29,612.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,204.61 : 47,203.16 = 21,458.32 : x
  2. Step 2: Convert to fraction form
    34,204.61/47,203.16 = 21,458.32/x
  3. Step 3: Cross multiply
    34,204.61x = 47,203.16 × 21,458.32
  4. Step 4: Simplify right side
    34,204.61x = 1,012,900,286.99
  5. Step 5: Solve for x
    x = 1,012,900,286.99/34,204.61
  6. Step 6: Final answer
    x = 29,612.97

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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.