Home / 40,862.20-61,293.30-15,903.40

Finding the Fourth Proportional to 40,862.20, 61,293.30 and 15,903.40

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Solution

The fourth proportional to 40,862.20, 61,293.30 and 15,903.40 is: 23,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,862.20 : 61,293.30 = 15,903.40 : x
  2. Step 2: Convert to fraction form
    40,862.20/61,293.30 = 15,903.40/x
  3. Step 3: Cross multiply
    40,862.20x = 61,293.30 × 15,903.40
  4. Step 4: Simplify right side
    40,862.20x = 974,771,867.22
  5. Step 5: Solve for x
    x = 974,771,867.22/40,862.20
  6. Step 6: Final answer
    x = 23,855.10

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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.