Home / 84,260.48-126,398.08-21,931.04

Finding the Fourth Proportional to 84,260.48, 126,398.08 and 21,931.04

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Solution

The fourth proportional to 84,260.48, 126,398.08 and 21,931.04 is: 32,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,260.48 : 126,398.08 = 21,931.04 : x
  2. Step 2: Convert to fraction form
    84,260.48/126,398.08 = 21,931.04/x
  3. Step 3: Cross multiply
    84,260.48x = 126,398.08 × 21,931.04
  4. Step 4: Simplify right side
    84,260.48x = 2,772,041,348.40
  5. Step 5: Solve for x
    x = 2,772,041,348.40/84,260.48
  6. Step 6: Final answer
    x = 32,898.48

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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.