Home / 59,845.62-89,717.38-20,381.20

Finding the Fourth Proportional to 59,845.62, 89,717.38 and 20,381.20

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Solution

The fourth proportional to 59,845.62, 89,717.38 and 20,381.20 is: 30,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,845.62 : 89,717.38 = 20,381.20 : x
  2. Step 2: Convert to fraction form
    59,845.62/89,717.38 = 20,381.20/x
  3. Step 3: Cross multiply
    59,845.62x = 89,717.38 × 20,381.20
  4. Step 4: Simplify right side
    59,845.62x = 1,828,547,865.26
  5. Step 5: Solve for x
    x = 1,828,547,865.26/59,845.62
  6. Step 6: Final answer
    x = 30,554.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.