Home / 40,905.85-56,454.34-25,000.90

Finding the Fourth Proportional to 40,905.85, 56,454.34 and 25,000.90

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Solution

The fourth proportional to 40,905.85, 56,454.34 and 25,000.90 is: 34,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,905.85 : 56,454.34 = 25,000.90 : x
  2. Step 2: Convert to fraction form
    40,905.85/56,454.34 = 25,000.90/x
  3. Step 3: Cross multiply
    40,905.85x = 56,454.34 × 25,000.90
  4. Step 4: Simplify right side
    40,905.85x = 1,411,409,308.91
  5. Step 5: Solve for x
    x = 1,411,409,308.91/40,905.85
  6. Step 6: Final answer
    x = 34,503.85

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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.