Home / 45,146.49-62,312.52-30,039.79

Finding the Fourth Proportional to 45,146.49, 62,312.52 and 30,039.79

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Solution

The fourth proportional to 45,146.49, 62,312.52 and 30,039.79 is: 41,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,146.49 : 62,312.52 = 30,039.79 : x
  2. Step 2: Convert to fraction form
    45,146.49/62,312.52 = 30,039.79/x
  3. Step 3: Cross multiply
    45,146.49x = 62,312.52 × 30,039.79
  4. Step 4: Simplify right side
    45,146.49x = 1,871,855,015.17
  5. Step 5: Solve for x
    x = 1,871,855,015.17/45,146.49
  6. Step 6: Final answer
    x = 41,461.81

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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.