Home / 29,307.32-40,442.19-18,695.81

Finding the Fourth Proportional to 29,307.32, 40,442.19 and 18,695.81

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Solution

The fourth proportional to 29,307.32, 40,442.19 and 18,695.81 is: 25,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,307.32 : 40,442.19 = 18,695.81 : x
  2. Step 2: Convert to fraction form
    29,307.32/40,442.19 = 18,695.81/x
  3. Step 3: Cross multiply
    29,307.32x = 40,442.19 × 18,695.81
  4. Step 4: Simplify right side
    29,307.32x = 756,099,531.22
  5. Step 5: Solve for x
    x = 756,099,531.22/29,307.32
  6. Step 6: Final answer
    x = 25,799.00

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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.