Home / 45,146.11-62,312-30,039.41

Finding the Fourth Proportional to 45,146.11, 62,312 and 30,039.41

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Solution

The fourth proportional to 45,146.11, 62,312 and 30,039.41 is: 41,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,146.11 : 62,312 = 30,039.41 : x
  2. Step 2: Convert to fraction form
    45,146.11/62,312 = 30,039.41/x
  3. Step 3: Cross multiply
    45,146.11x = 62,312 × 30,039.41
  4. Step 4: Simplify right side
    45,146.11x = 1,871,815,404.36
  5. Step 5: Solve for x
    x = 1,871,815,404.36/45,146.11
  6. Step 6: Final answer
    x = 41,461.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.