Home / 61,228.08-84,488.28-34,371.12

Finding the Fourth Proportional to 61,228.08, 84,488.28 and 34,371.12

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Solution

The fourth proportional to 61,228.08, 84,488.28 and 34,371.12 is: 47,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,228.08 : 84,488.28 = 34,371.12 : x
  2. Step 2: Convert to fraction form
    61,228.08/84,488.28 = 34,371.12/x
  3. Step 3: Cross multiply
    61,228.08x = 84,488.28 × 34,371.12
  4. Step 4: Simplify right side
    61,228.08x = 2,903,956,810.47
  5. Step 5: Solve for x
    x = 2,903,956,810.47/61,228.08
  6. Step 6: Final answer
    x = 47,428.51

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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.