Home / 40,725.03-56,142.72-29,950.86

Finding the Fourth Proportional to 40,725.03, 56,142.72 and 29,950.86

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Solution

The fourth proportional to 40,725.03, 56,142.72 and 29,950.86 is: 41,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,725.03 : 56,142.72 = 29,950.86 : x
  2. Step 2: Convert to fraction form
    40,725.03/56,142.72 = 29,950.86/x
  3. Step 3: Cross multiply
    40,725.03x = 56,142.72 × 29,950.86
  4. Step 4: Simplify right side
    40,725.03x = 1,681,522,746.74
  5. Step 5: Solve for x
    x = 1,681,522,746.74/40,725.03
  6. Step 6: Final answer
    x = 41,289.66

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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.