Home / 40,720.50-56,178.54-25,606.98

Finding the Fourth Proportional to 40,720.50, 56,178.54 and 25,606.98

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Solution

The fourth proportional to 40,720.50, 56,178.54 and 25,606.98 is: 35,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,720.50 : 56,178.54 = 25,606.98 : x
  2. Step 2: Convert to fraction form
    40,720.50/56,178.54 = 25,606.98/x
  3. Step 3: Cross multiply
    40,720.50x = 56,178.54 × 25,606.98
  4. Step 4: Simplify right side
    40,720.50x = 1,438,562,750.21
  5. Step 5: Solve for x
    x = 1,438,562,750.21/40,720.50
  6. Step 6: Final answer
    x = 35,327.73

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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.