Home / 40,886.20-61,329.30-40,497.40

Finding the Fourth Proportional to 40,886.20, 61,329.30 and 40,497.40

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Solution

The fourth proportional to 40,886.20, 61,329.30 and 40,497.40 is: 60,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,886.20 : 61,329.30 = 40,497.40 : x
  2. Step 2: Convert to fraction form
    40,886.20/61,329.30 = 40,497.40/x
  3. Step 3: Cross multiply
    40,886.20x = 61,329.30 × 40,497.40
  4. Step 4: Simplify right side
    40,886.20x = 2,483,677,193.82
  5. Step 5: Solve for x
    x = 2,483,677,193.82/40,886.20
  6. Step 6: Final answer
    x = 60,746.10

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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.