Home / 30,655.16-45,959.40-15,854.60

Finding the Fourth Proportional to 30,655.16, 45,959.40 and 15,854.60

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Solution

The fourth proportional to 30,655.16, 45,959.40 and 15,854.60 is: 23,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655.16 : 45,959.40 = 15,854.60 : x
  2. Step 2: Convert to fraction form
    30,655.16/45,959.40 = 15,854.60/x
  3. Step 3: Cross multiply
    30,655.16x = 45,959.40 × 15,854.60
  4. Step 4: Simplify right side
    30,655.16x = 728,667,903.24
  5. Step 5: Solve for x
    x = 728,667,903.24/30,655.16
  6. Step 6: Final answer
    x = 23,769.83

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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.