Home / 61,019.48-84,197.16-34,163.12

Finding the Fourth Proportional to 61,019.48, 84,197.16 and 34,163.12

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Solution

The fourth proportional to 61,019.48, 84,197.16 and 34,163.12 is: 47,139.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,019.48 : 84,197.16 = 34,163.12 : x
  2. Step 2: Convert to fraction form
    61,019.48/84,197.16 = 34,163.12/x
  3. Step 3: Cross multiply
    61,019.48x = 84,197.16 × 34,163.12
  4. Step 4: Simplify right side
    61,019.48x = 2,876,437,259.75
  5. Step 5: Solve for x
    x = 2,876,437,259.75/61,019.48
  6. Step 6: Final answer
    x = 47,139.66

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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.