Home / 53,680.84-74,078.12-29,806.88

Finding the Fourth Proportional to 53,680.84, 74,078.12 and 29,806.88

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Solution

The fourth proportional to 53,680.84, 74,078.12 and 29,806.88 is: 41,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,680.84 : 74,078.12 = 29,806.88 : x
  2. Step 2: Convert to fraction form
    53,680.84/74,078.12 = 29,806.88/x
  3. Step 3: Cross multiply
    53,680.84x = 74,078.12 × 29,806.88
  4. Step 4: Simplify right side
    53,680.84x = 2,208,037,633.47
  5. Step 5: Solve for x
    x = 2,208,037,633.47/53,680.84
  6. Step 6: Final answer
    x = 41,132.70

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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.