Home / 54,588.48-75,331.23-30,715.14

Finding the Fourth Proportional to 54,588.48, 75,331.23 and 30,715.14

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Solution

The fourth proportional to 54,588.48, 75,331.23 and 30,715.14 is: 42,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,588.48 : 75,331.23 = 30,715.14 : x
  2. Step 2: Convert to fraction form
    54,588.48/75,331.23 = 30,715.14/x
  3. Step 3: Cross multiply
    54,588.48x = 75,331.23 × 30,715.14
  4. Step 4: Simplify right side
    54,588.48x = 2,313,809,275.82
  5. Step 5: Solve for x
    x = 2,313,809,275.82/54,588.48
  6. Step 6: Final answer
    x = 42,386.40

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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.