Home / 40,120.65-55,352.87-23,124.35

Finding the Fourth Proportional to 40,120.65, 55,352.87 and 23,124.35

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Solution

The fourth proportional to 40,120.65, 55,352.87 and 23,124.35 is: 31,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,120.65 : 55,352.87 = 23,124.35 : x
  2. Step 2: Convert to fraction form
    40,120.65/55,352.87 = 23,124.35/x
  3. Step 3: Cross multiply
    40,120.65x = 55,352.87 × 23,124.35
  4. Step 4: Simplify right side
    40,120.65x = 1,279,999,248.86
  5. Step 5: Solve for x
    x = 1,279,999,248.86/40,120.65
  6. Step 6: Final answer
    x = 31,903.75

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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.