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Finding the Fourth Proportional to 61,602.82, 85,011.77 and 34,745.24

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Solution

The fourth proportional to 61,602.82, 85,011.77 and 34,745.24 is: 47,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,602.82 : 85,011.77 = 34,745.24 : x
  2. Step 2: Convert to fraction form
    61,602.82/85,011.77 = 34,745.24/x
  3. Step 3: Cross multiply
    61,602.82x = 85,011.77 × 34,745.24
  4. Step 4: Simplify right side
    61,602.82x = 2,953,754,650.87
  5. Step 5: Solve for x
    x = 2,953,754,650.87/61,602.82
  6. Step 6: Final answer
    x = 47,948.37

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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.