Home / 54,588.05-75,332.98-30,715.57

Finding the Fourth Proportional to 54,588.05, 75,332.98 and 30,715.57

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Solution

The fourth proportional to 54,588.05, 75,332.98 and 30,715.57 is: 42,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,588.05 : 75,332.98 = 30,715.57 : x
  2. Step 2: Convert to fraction form
    54,588.05/75,332.98 = 30,715.57/x
  3. Step 3: Cross multiply
    54,588.05x = 75,332.98 × 30,715.57
  4. Step 4: Simplify right side
    54,588.05x = 2,313,895,420.50
  5. Step 5: Solve for x
    x = 2,313,895,420.50/54,588.05
  6. Step 6: Final answer
    x = 42,388.31

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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.