Home / 32,148.60-48,215.70-21,132.60

Finding the Fourth Proportional to 32,148.60, 48,215.70 and 21,132.60

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Solution

The fourth proportional to 32,148.60, 48,215.70 and 21,132.60 is: 31,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,148.60 : 48,215.70 = 21,132.60 : x
  2. Step 2: Convert to fraction form
    32,148.60/48,215.70 = 21,132.60/x
  3. Step 3: Cross multiply
    32,148.60x = 48,215.70 × 21,132.60
  4. Step 4: Simplify right side
    32,148.60x = 1,018,923,101.82
  5. Step 5: Solve for x
    x = 1,018,923,101.82/32,148.60
  6. Step 6: Final answer
    x = 31,694.17

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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.