Home / 62,146.31-85,759.48-37,987.72

Finding the Fourth Proportional to 62,146.31, 85,759.48 and 37,987.72

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Solution

The fourth proportional to 62,146.31, 85,759.48 and 37,987.72 is: 52,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,146.31 : 85,759.48 = 37,987.72 : x
  2. Step 2: Convert to fraction form
    62,146.31/85,759.48 = 37,987.72/x
  3. Step 3: Cross multiply
    62,146.31x = 85,759.48 × 37,987.72
  4. Step 4: Simplify right side
    62,146.31x = 3,257,806,893.25
  5. Step 5: Solve for x
    x = 3,257,806,893.25/62,146.31
  6. Step 6: Final answer
    x = 52,421.57

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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.