Home / 74,429.10-111,655.95-34,488

Finding the Fourth Proportional to 74,429.10, 111,655.95 and 34,488

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Solution

The fourth proportional to 74,429.10, 111,655.95 and 34,488 is: 51,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,429.10 : 111,655.95 = 34,488 : x
  2. Step 2: Convert to fraction form
    74,429.10/111,655.95 = 34,488/x
  3. Step 3: Cross multiply
    74,429.10x = 111,655.95 × 34,488
  4. Step 4: Simplify right side
    74,429.10x = 3,850,790,403.60
  5. Step 5: Solve for x
    x = 3,850,790,403.60/74,429.10
  6. Step 6: Final answer
    x = 51,737.70

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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.