Home / 61,628.87-85,047.82-34,771.13

Finding the Fourth Proportional to 61,628.87, 85,047.82 and 34,771.13

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Solution

The fourth proportional to 61,628.87, 85,047.82 and 34,771.13 is: 47,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,628.87 : 85,047.82 = 34,771.13 : x
  2. Step 2: Convert to fraction form
    61,628.87/85,047.82 = 34,771.13/x
  3. Step 3: Cross multiply
    61,628.87x = 85,047.82 × 34,771.13
  4. Step 4: Simplify right side
    61,628.87x = 2,957,208,931.13
  5. Step 5: Solve for x
    x = 2,957,208,931.13/61,628.87
  6. Step 6: Final answer
    x = 47,984.15

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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.