Home / 40,872.75-56,403.90-22,970.79

Finding the Fourth Proportional to 40,872.75, 56,403.90 and 22,970.79

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Solution

The fourth proportional to 40,872.75, 56,403.90 and 22,970.79 is: 31,699.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,872.75 : 56,403.90 = 22,970.79 : x
  2. Step 2: Convert to fraction form
    40,872.75/56,403.90 = 22,970.79/x
  3. Step 3: Cross multiply
    40,872.75x = 56,403.90 × 22,970.79
  4. Step 4: Simplify right side
    40,872.75x = 1,295,642,142.08
  5. Step 5: Solve for x
    x = 1,295,642,142.08/40,872.75
  6. Step 6: Final answer
    x = 31,699.41

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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.