Home / 40,707.24-61,070.40-12,625.86

Finding the Fourth Proportional to 40,707.24, 61,070.40 and 12,625.86

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Solution

The fourth proportional to 40,707.24, 61,070.40 and 12,625.86 is: 18,941.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,707.24 : 61,070.40 = 12,625.86 : x
  2. Step 2: Convert to fraction form
    40,707.24/61,070.40 = 12,625.86/x
  3. Step 3: Cross multiply
    40,707.24x = 61,070.40 × 12,625.86
  4. Step 4: Simplify right side
    40,707.24x = 771,066,320.54
  5. Step 5: Solve for x
    x = 771,066,320.54/40,707.24
  6. Step 6: Final answer
    x = 18,941.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.