Home / 61,931.88-85,469-35,075.52

Finding the Fourth Proportional to 61,931.88, 85,469 and 35,075.52

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Solution

The fourth proportional to 61,931.88, 85,469 and 35,075.52 is: 48,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,931.88 : 85,469 = 35,075.52 : x
  2. Step 2: Convert to fraction form
    61,931.88/85,469 = 35,075.52/x
  3. Step 3: Cross multiply
    61,931.88x = 85,469 × 35,075.52
  4. Step 4: Simplify right side
    61,931.88x = 2,997,869,618.88
  5. Step 5: Solve for x
    x = 2,997,869,618.88/61,931.88
  6. Step 6: Final answer
    x = 48,405.92

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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.