Home / 29,189.18-40,280.91-16,442.32

Finding the Fourth Proportional to 29,189.18, 40,280.91 and 16,442.32

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Solution

The fourth proportional to 29,189.18, 40,280.91 and 16,442.32 is: 22,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,189.18 : 40,280.91 = 16,442.32 : x
  2. Step 2: Convert to fraction form
    29,189.18/40,280.91 = 16,442.32/x
  3. Step 3: Cross multiply
    29,189.18x = 40,280.91 × 16,442.32
  4. Step 4: Simplify right side
    29,189.18x = 662,311,612.11
  5. Step 5: Solve for x
    x = 662,311,612.11/29,189.18
  6. Step 6: Final answer
    x = 22,690.31

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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.