Home / 54,588.69-75,332.25-30,715.39

Finding the Fourth Proportional to 54,588.69, 75,332.25 and 30,715.39

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Solution

The fourth proportional to 54,588.69, 75,332.25 and 30,715.39 is: 42,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,588.69 : 75,332.25 = 30,715.39 : x
  2. Step 2: Convert to fraction form
    54,588.69/75,332.25 = 30,715.39/x
  3. Step 3: Cross multiply
    54,588.69x = 75,332.25 × 30,715.39
  4. Step 4: Simplify right side
    54,588.69x = 2,313,859,438.33
  5. Step 5: Solve for x
    x = 2,313,859,438.33/54,588.69
  6. Step 6: Final answer
    x = 42,387.16

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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.