Home / 61,840.21-85,339.52-34,982.15

Finding the Fourth Proportional to 61,840.21, 85,339.52 and 34,982.15

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Solution

The fourth proportional to 61,840.21, 85,339.52 and 34,982.15 is: 48,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,840.21 : 85,339.52 = 34,982.15 : x
  2. Step 2: Convert to fraction form
    61,840.21/85,339.52 = 34,982.15/x
  3. Step 3: Cross multiply
    61,840.21x = 85,339.52 × 34,982.15
  4. Step 4: Simplify right side
    61,840.21x = 2,985,359,889.57
  5. Step 5: Solve for x
    x = 2,985,359,889.57/61,840.21
  6. Step 6: Final answer
    x = 48,275.38

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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.