Home / 40,378.20-60,603.30-23,717.40

Finding the Fourth Proportional to 40,378.20, 60,603.30 and 23,717.40

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Solution

The fourth proportional to 40,378.20, 60,603.30 and 23,717.40 is: 35,597.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.20 : 60,603.30 = 23,717.40 : x
  2. Step 2: Convert to fraction form
    40,378.20/60,603.30 = 23,717.40/x
  3. Step 3: Cross multiply
    40,378.20x = 60,603.30 × 23,717.40
  4. Step 4: Simplify right side
    40,378.20x = 1,437,352,707.42
  5. Step 5: Solve for x
    x = 1,437,352,707.42/40,378.20
  6. Step 6: Final answer
    x = 35,597.25

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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.