Home / 40,460.28-55,869.54-25,378.20

Finding the Fourth Proportional to 40,460.28, 55,869.54 and 25,378.20

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Solution

The fourth proportional to 40,460.28, 55,869.54 and 25,378.20 is: 35,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,460.28 : 55,869.54 = 25,378.20 : x
  2. Step 2: Convert to fraction form
    40,460.28/55,869.54 = 25,378.20/x
  3. Step 3: Cross multiply
    40,460.28x = 55,869.54 × 25,378.20
  4. Step 4: Simplify right side
    40,460.28x = 1,417,868,360.03
  5. Step 5: Solve for x
    x = 1,417,868,360.03/40,460.28
  6. Step 6: Final answer
    x = 35,043.46

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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.