Home / 29,295.08-40,426.28-16,719.20

Finding the Fourth Proportional to 29,295.08, 40,426.28 and 16,719.20

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Solution

The fourth proportional to 29,295.08, 40,426.28 and 16,719.20 is: 23,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,295.08 : 40,426.28 = 16,719.20 : x
  2. Step 2: Convert to fraction form
    29,295.08/40,426.28 = 16,719.20/x
  3. Step 3: Cross multiply
    29,295.08x = 40,426.28 × 16,719.20
  4. Step 4: Simplify right side
    29,295.08x = 675,895,060.58
  5. Step 5: Solve for x
    x = 675,895,060.58/29,295.08
  6. Step 6: Final answer
    x = 23,071.97

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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.