Home / 55,030.90-82,515.36-17,582.20

Finding the Fourth Proportional to 55,030.90, 82,515.36 and 17,582.20

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Solution

The fourth proportional to 55,030.90, 82,515.36 and 17,582.20 is: 26,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,030.90 : 82,515.36 = 17,582.20 : x
  2. Step 2: Convert to fraction form
    55,030.90/82,515.36 = 17,582.20/x
  3. Step 3: Cross multiply
    55,030.90x = 82,515.36 × 17,582.20
  4. Step 4: Simplify right side
    55,030.90x = 1,450,801,562.59
  5. Step 5: Solve for x
    x = 1,450,801,562.59/55,030.90
  6. Step 6: Final answer
    x = 26,363.40

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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.