Home / 39,781.40-59,585.70-32,005.40

Finding the Fourth Proportional to 39,781.40, 59,585.70 and 32,005.40

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Solution

The fourth proportional to 39,781.40, 59,585.70 and 32,005.40 is: 47,938.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,781.40 : 59,585.70 = 32,005.40 : x
  2. Step 2: Convert to fraction form
    39,781.40/59,585.70 = 32,005.40/x
  3. Step 3: Cross multiply
    39,781.40x = 59,585.70 × 32,005.40
  4. Step 4: Simplify right side
    39,781.40x = 1,907,064,162.78
  5. Step 5: Solve for x
    x = 1,907,064,162.78/39,781.40
  6. Step 6: Final answer
    x = 47,938.59

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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.