Home / 35,246.40-52,869.60-21,422.40

Finding the Fourth Proportional to 35,246.40, 52,869.60 and 21,422.40

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Solution

The fourth proportional to 35,246.40, 52,869.60 and 21,422.40 is: 32,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,246.40 : 52,869.60 = 21,422.40 : x
  2. Step 2: Convert to fraction form
    35,246.40/52,869.60 = 21,422.40/x
  3. Step 3: Cross multiply
    35,246.40x = 52,869.60 × 21,422.40
  4. Step 4: Simplify right side
    35,246.40x = 1,132,593,719.04
  5. Step 5: Solve for x
    x = 1,132,593,719.04/35,246.40
  6. Step 6: Final answer
    x = 32,133.60

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1.5x scale

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.