Home / 40,541.60-60,812.40-38,986.40

Finding the Fourth Proportional to 40,541.60, 60,812.40 and 38,986.40

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Solution

The fourth proportional to 40,541.60, 60,812.40 and 38,986.40 is: 58,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,541.60 : 60,812.40 = 38,986.40 : x
  2. Step 2: Convert to fraction form
    40,541.60/60,812.40 = 38,986.40/x
  3. Step 3: Cross multiply
    40,541.60x = 60,812.40 × 38,986.40
  4. Step 4: Simplify right side
    40,541.60x = 2,370,856,551.36
  5. Step 5: Solve for x
    x = 2,370,856,551.36/40,541.60
  6. Step 6: Final answer
    x = 58,479.60

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1.5x scale

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.