Home / 40,719.84-56,220.84-25,429.74

Finding the Fourth Proportional to 40,719.84, 56,220.84 and 25,429.74

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Solution

The fourth proportional to 40,719.84, 56,220.84 and 25,429.74 is: 35,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,719.84 : 56,220.84 = 25,429.74 : x
  2. Step 2: Convert to fraction form
    40,719.84/56,220.84 = 25,429.74/x
  3. Step 3: Cross multiply
    40,719.84x = 56,220.84 × 25,429.74
  4. Step 4: Simplify right side
    40,719.84x = 1,429,681,343.78
  5. Step 5: Solve for x
    x = 1,429,681,343.78/40,719.84
  6. Step 6: Final answer
    x = 35,110.19

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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.