Home / 39,541.76-54,587.52-30,568.96

Finding the Fourth Proportional to 39,541.76, 54,587.52 and 30,568.96

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Solution

The fourth proportional to 39,541.76, 54,587.52 and 30,568.96 is: 42,200.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,541.76 : 54,587.52 = 30,568.96 : x
  2. Step 2: Convert to fraction form
    39,541.76/54,587.52 = 30,568.96/x
  3. Step 3: Cross multiply
    39,541.76x = 54,587.52 × 30,568.96
  4. Step 4: Simplify right side
    39,541.76x = 1,668,683,715.38
  5. Step 5: Solve for x
    x = 1,668,683,715.38/39,541.76
  6. Step 6: Final answer
    x = 42,200.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.