Home / 39,129.35-58,694.00-15,750.32

Finding the Fourth Proportional to 39,129.35, 58,694.00 and 15,750.32

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Solution

The fourth proportional to 39,129.35, 58,694.00 and 15,750.32 is: 23,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,129.35 : 58,694.00 = 15,750.32 : x
  2. Step 2: Convert to fraction form
    39,129.35/58,694.00 = 15,750.32/x
  3. Step 3: Cross multiply
    39,129.35x = 58,694.00 × 15,750.32
  4. Step 4: Simplify right side
    39,129.35x = 924,448,909.86
  5. Step 5: Solve for x
    x = 924,448,909.86/39,129.35
  6. Step 6: Final answer
    x = 23,625.46

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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.