Home / 40,830.28-61,138.48-26,746

Finding the Fourth Proportional to 40,830.28, 61,138.48 and 26,746

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Solution

The fourth proportional to 40,830.28, 61,138.48 and 26,746 is: 40,048.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,830.28 : 61,138.48 = 26,746 : x
  2. Step 2: Convert to fraction form
    40,830.28/61,138.48 = 26,746/x
  3. Step 3: Cross multiply
    40,830.28x = 61,138.48 × 26,746
  4. Step 4: Simplify right side
    40,830.28x = 1,635,209,786.08
  5. Step 5: Solve for x
    x = 1,635,209,786.08/40,830.28
  6. Step 6: Final answer
    x = 40,048.95

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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.