Home / 29,307.20-40,497.57-21,335.58

Finding the Fourth Proportional to 29,307.20, 40,497.57 and 21,335.58

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Solution

The fourth proportional to 29,307.20, 40,497.57 and 21,335.58 is: 29,482.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,307.20 : 40,497.57 = 21,335.58 : x
  2. Step 2: Convert to fraction form
    29,307.20/40,497.57 = 21,335.58/x
  3. Step 3: Cross multiply
    29,307.20x = 40,497.57 × 21,335.58
  4. Step 4: Simplify right side
    29,307.20x = 864,039,144.54
  5. Step 5: Solve for x
    x = 864,039,144.54/29,307.20
  6. Step 6: Final answer
    x = 29,482.15

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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.