Home / 29,689.19-40,969.55-16,257.85

Finding the Fourth Proportional to 29,689.19, 40,969.55 and 16,257.85

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Solution

The fourth proportional to 29,689.19, 40,969.55 and 16,257.85 is: 22,434.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,689.19 : 40,969.55 = 16,257.85 : x
  2. Step 2: Convert to fraction form
    29,689.19/40,969.55 = 16,257.85/x
  3. Step 3: Cross multiply
    29,689.19x = 40,969.55 × 16,257.85
  4. Step 4: Simplify right side
    29,689.19x = 666,076,798.47
  5. Step 5: Solve for x
    x = 666,076,798.47/29,689.19
  6. Step 6: Final answer
    x = 22,434.99

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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.