Home / 40,070.50-55,261.07-25,713.79

Finding the Fourth Proportional to 40,070.50, 55,261.07 and 25,713.79

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Solution

The fourth proportional to 40,070.50, 55,261.07 and 25,713.79 is: 35,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,070.50 : 55,261.07 = 25,713.79 : x
  2. Step 2: Convert to fraction form
    40,070.50/55,261.07 = 25,713.79/x
  3. Step 3: Cross multiply
    40,070.50x = 55,261.07 × 25,713.79
  4. Step 4: Simplify right side
    40,070.50x = 1,420,971,378.86
  5. Step 5: Solve for x
    x = 1,420,971,378.86/40,070.50
  6. Step 6: Final answer
    x = 35,461.79

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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.