Home / 40,826.40-61,239.60-17,455.20

Finding the Fourth Proportional to 40,826.40, 61,239.60 and 17,455.20

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Solution

The fourth proportional to 40,826.40, 61,239.60 and 17,455.20 is: 26,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,826.40 : 61,239.60 = 17,455.20 : x
  2. Step 2: Convert to fraction form
    40,826.40/61,239.60 = 17,455.20/x
  3. Step 3: Cross multiply
    40,826.40x = 61,239.60 × 17,455.20
  4. Step 4: Simplify right side
    40,826.40x = 1,068,949,465.92
  5. Step 5: Solve for x
    x = 1,068,949,465.92/40,826.40
  6. Step 6: Final answer
    x = 26,182.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.