Home / 54,590.05-75,335.74-30,717.57

Finding the Fourth Proportional to 54,590.05, 75,335.74 and 30,717.57

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Solution

The fourth proportional to 54,590.05, 75,335.74 and 30,717.57 is: 42,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,590.05 : 75,335.74 = 30,717.57 : x
  2. Step 2: Convert to fraction form
    54,590.05/75,335.74 = 30,717.57/x
  3. Step 3: Cross multiply
    54,590.05x = 75,335.74 × 30,717.57
  4. Step 4: Simplify right side
    54,590.05x = 2,314,130,866.95
  5. Step 5: Solve for x
    x = 2,314,130,866.95/54,590.05
  6. Step 6: Final answer
    x = 42,391.07

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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.