Home / 45,402.11-68,103.47-15,820.51

Finding the Fourth Proportional to 45,402.11, 68,103.47 and 15,820.51

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Solution

The fourth proportional to 45,402.11, 68,103.47 and 15,820.51 is: 23,730.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,402.11 : 68,103.47 = 15,820.51 : x
  2. Step 2: Convert to fraction form
    45,402.11/68,103.47 = 15,820.51/x
  3. Step 3: Cross multiply
    45,402.11x = 68,103.47 × 15,820.51
  4. Step 4: Simplify right side
    45,402.11x = 1,077,431,628.17
  5. Step 5: Solve for x
    x = 1,077,431,628.17/45,402.11
  6. Step 6: Final answer
    x = 23,730.87

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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.