Home / 29,499.19-40,712.16-18,166.45

Finding the Fourth Proportional to 29,499.19, 40,712.16 and 18,166.45

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Solution

The fourth proportional to 29,499.19, 40,712.16 and 18,166.45 is: 25,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,499.19 : 40,712.16 = 18,166.45 : x
  2. Step 2: Convert to fraction form
    29,499.19/40,712.16 = 18,166.45/x
  3. Step 3: Cross multiply
    29,499.19x = 40,712.16 × 18,166.45
  4. Step 4: Simplify right side
    29,499.19x = 739,595,419.03
  5. Step 5: Solve for x
    x = 739,595,419.03/29,499.19
  6. Step 6: Final answer
    x = 25,071.72

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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.