Home / 55,896.33-77,136.15-30,402.12

Finding the Fourth Proportional to 55,896.33, 77,136.15 and 30,402.12

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Solution

The fourth proportional to 55,896.33, 77,136.15 and 30,402.12 is: 41,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,896.33 : 77,136.15 = 30,402.12 : x
  2. Step 2: Convert to fraction form
    55,896.33/77,136.15 = 30,402.12/x
  3. Step 3: Cross multiply
    55,896.33x = 77,136.15 × 30,402.12
  4. Step 4: Simplify right side
    55,896.33x = 2,345,102,488.64
  5. Step 5: Solve for x
    x = 2,345,102,488.64/55,896.33
  6. Step 6: Final answer
    x = 41,954.50

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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.