Home / 39,012.75-58,509.34-10,925.53

Finding the Fourth Proportional to 39,012.75, 58,509.34 and 10,925.53

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Solution

The fourth proportional to 39,012.75, 58,509.34 and 10,925.53 is: 16,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,012.75 : 58,509.34 = 10,925.53 : x
  2. Step 2: Convert to fraction form
    39,012.75/58,509.34 = 10,925.53/x
  3. Step 3: Cross multiply
    39,012.75x = 58,509.34 × 10,925.53
  4. Step 4: Simplify right side
    39,012.75x = 639,245,375.86
  5. Step 5: Solve for x
    x = 639,245,375.86/39,012.75
  6. Step 6: Final answer
    x = 16,385.55

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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.