Home / 59,886.36-89,829.48-20,440.20

Finding the Fourth Proportional to 59,886.36, 89,829.48 and 20,440.20

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Solution

The fourth proportional to 59,886.36, 89,829.48 and 20,440.20 is: 30,660.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,886.36 : 89,829.48 = 20,440.20 : x
  2. Step 2: Convert to fraction form
    59,886.36/89,829.48 = 20,440.20/x
  3. Step 3: Cross multiply
    59,886.36x = 89,829.48 × 20,440.20
  4. Step 4: Simplify right side
    59,886.36x = 1,836,132,537.10
  5. Step 5: Solve for x
    x = 1,836,132,537.10/59,886.36
  6. Step 6: Final answer
    x = 30,660.28

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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.