Home / 61,907.24-85,335.12-51,817.88

Finding the Fourth Proportional to 61,907.24, 85,335.12 and 51,817.88

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Solution

The fourth proportional to 61,907.24, 85,335.12 and 51,817.88 is: 71,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,907.24 : 85,335.12 = 51,817.88 : x
  2. Step 2: Convert to fraction form
    61,907.24/85,335.12 = 51,817.88/x
  3. Step 3: Cross multiply
    61,907.24x = 85,335.12 × 51,817.88
  4. Step 4: Simplify right side
    61,907.24x = 4,421,885,007.95
  5. Step 5: Solve for x
    x = 4,421,885,007.95/61,907.24
  6. Step 6: Final answer
    x = 71,427.59

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1.5x scale

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.