Home / 57,259.13-85,801.10-30,608.91

Finding the Fourth Proportional to 57,259.13, 85,801.10 and 30,608.91

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Solution

The fourth proportional to 57,259.13, 85,801.10 and 30,608.91 is: 45,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,259.13 : 85,801.10 = 30,608.91 : x
  2. Step 2: Convert to fraction form
    57,259.13/85,801.10 = 30,608.91/x
  3. Step 3: Cross multiply
    57,259.13x = 85,801.10 × 30,608.91
  4. Step 4: Simplify right side
    57,259.13x = 2,626,277,994.76
  5. Step 5: Solve for x
    x = 2,626,277,994.76/57,259.13
  6. Step 6: Final answer
    x = 45,866.54

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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.