Home / 84,521.36-126,803.10-25,358.12

Finding the Fourth Proportional to 84,521.36, 126,803.10 and 25,358.12

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Solution

The fourth proportional to 84,521.36, 126,803.10 and 25,358.12 is: 38,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,521.36 : 126,803.10 = 25,358.12 : x
  2. Step 2: Convert to fraction form
    84,521.36/126,803.10 = 25,358.12/x
  3. Step 3: Cross multiply
    84,521.36x = 126,803.10 × 25,358.12
  4. Step 4: Simplify right side
    84,521.36x = 3,215,487,845.77
  5. Step 5: Solve for x
    x = 3,215,487,845.77/84,521.36
  6. Step 6: Final answer
    x = 38,043.50

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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.