Home / 39,409.90-59,114.85-35,781.10

Finding the Fourth Proportional to 39,409.90, 59,114.85 and 35,781.10

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Solution

The fourth proportional to 39,409.90, 59,114.85 and 35,781.10 is: 53,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.90 : 59,114.85 = 35,781.10 : x
  2. Step 2: Convert to fraction form
    39,409.90/59,114.85 = 35,781.10/x
  3. Step 3: Cross multiply
    39,409.90x = 59,114.85 × 35,781.10
  4. Step 4: Simplify right side
    39,409.90x = 2,115,194,359.34
  5. Step 5: Solve for x
    x = 2,115,194,359.34/39,409.90
  6. Step 6: Final answer
    x = 53,671.65

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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.