Home / 52,695.10-72,721.11-30,037.51

Finding the Fourth Proportional to 52,695.10, 72,721.11 and 30,037.51

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Solution

The fourth proportional to 52,695.10, 72,721.11 and 30,037.51 is: 41,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,695.10 : 72,721.11 = 30,037.51 : x
  2. Step 2: Convert to fraction form
    52,695.10/72,721.11 = 30,037.51/x
  3. Step 3: Cross multiply
    52,695.10x = 72,721.11 × 30,037.51
  4. Step 4: Simplify right side
    52,695.10x = 2,184,361,068.84
  5. Step 5: Solve for x
    x = 2,184,361,068.84/52,695.10
  6. Step 6: Final answer
    x = 41,452.83

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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.