Home / 39,989.20-59,904.60-35,064.40

Finding the Fourth Proportional to 39,989.20, 59,904.60 and 35,064.40

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Solution

The fourth proportional to 39,989.20, 59,904.60 and 35,064.40 is: 52,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,989.20 : 59,904.60 = 35,064.40 : x
  2. Step 2: Convert to fraction form
    39,989.20/59,904.60 = 35,064.40/x
  3. Step 3: Cross multiply
    39,989.20x = 59,904.60 × 35,064.40
  4. Step 4: Simplify right side
    39,989.20x = 2,100,518,856.24
  5. Step 5: Solve for x
    x = 2,100,518,856.24/39,989.20
  6. Step 6: Final answer
    x = 52,527.15

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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.