Home / 45,113.22-67,667.36-15,530.40

Finding the Fourth Proportional to 45,113.22, 67,667.36 and 15,530.40

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Solution

The fourth proportional to 45,113.22, 67,667.36 and 15,530.40 is: 23,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,113.22 : 67,667.36 = 15,530.40 : x
  2. Step 2: Convert to fraction form
    45,113.22/67,667.36 = 15,530.40/x
  3. Step 3: Cross multiply
    45,113.22x = 67,667.36 × 15,530.40
  4. Step 4: Simplify right side
    45,113.22x = 1,050,901,090.09
  5. Step 5: Solve for x
    x = 1,050,901,090.09/45,113.22
  6. Step 6: Final answer
    x = 23,294.75

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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.