Home / 39,136.52-53,995.64-22,139.12

Finding the Fourth Proportional to 39,136.52, 53,995.64 and 22,139.12

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Solution

The fourth proportional to 39,136.52, 53,995.64 and 22,139.12 is: 30,544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,136.52 : 53,995.64 = 22,139.12 : x
  2. Step 2: Convert to fraction form
    39,136.52/53,995.64 = 22,139.12/x
  3. Step 3: Cross multiply
    39,136.52x = 53,995.64 × 22,139.12
  4. Step 4: Simplify right side
    39,136.52x = 1,195,415,572.76
  5. Step 5: Solve for x
    x = 1,195,415,572.76/39,136.52
  6. Step 6: Final answer
    x = 30,544.76

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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.