Home / 40,530.10-60,758.70-25,731.40

Finding the Fourth Proportional to 40,530.10, 60,758.70 and 25,731.40

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Solution

The fourth proportional to 40,530.10, 60,758.70 and 25,731.40 is: 38,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,530.10 : 60,758.70 = 25,731.40 : x
  2. Step 2: Convert to fraction form
    40,530.10/60,758.70 = 25,731.40/x
  3. Step 3: Cross multiply
    40,530.10x = 60,758.70 × 25,731.40
  4. Step 4: Simplify right side
    40,530.10x = 1,563,406,413.18
  5. Step 5: Solve for x
    x = 1,563,406,413.18/40,530.10
  6. Step 6: Final answer
    x = 38,573.96

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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.