Home / 39,184.76-54,038.40-30,217.88

Finding the Fourth Proportional to 39,184.76, 54,038.40 and 30,217.88

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Solution

The fourth proportional to 39,184.76, 54,038.40 and 30,217.88 is: 41,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,184.76 : 54,038.40 = 30,217.88 : x
  2. Step 2: Convert to fraction form
    39,184.76/54,038.40 = 30,217.88/x
  3. Step 3: Cross multiply
    39,184.76x = 54,038.40 × 30,217.88
  4. Step 4: Simplify right side
    39,184.76x = 1,632,925,886.59
  5. Step 5: Solve for x
    x = 1,632,925,886.59/39,184.76
  6. Step 6: Final answer
    x = 41,672.47

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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.