Home / 34,672.32-47,835.36-31,320

Finding the Fourth Proportional to 34,672.32, 47,835.36 and 31,320

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Solution

The fourth proportional to 34,672.32, 47,835.36 and 31,320 is: 43,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,672.32 : 47,835.36 = 31,320 : x
  2. Step 2: Convert to fraction form
    34,672.32/47,835.36 = 31,320/x
  3. Step 3: Cross multiply
    34,672.32x = 47,835.36 × 31,320
  4. Step 4: Simplify right side
    34,672.32x = 1,498,203,475.20
  5. Step 5: Solve for x
    x = 1,498,203,475.20/34,672.32
  6. Step 6: Final answer
    x = 43,210.36

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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.