Home / 38,289.98-57,428.49-10,581.50

Finding the Fourth Proportional to 38,289.98, 57,428.49 and 10,581.50

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Solution

The fourth proportional to 38,289.98, 57,428.49 and 10,581.50 is: 15,870.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,289.98 : 57,428.49 = 10,581.50 : x
  2. Step 2: Convert to fraction form
    38,289.98/57,428.49 = 10,581.50/x
  3. Step 3: Cross multiply
    38,289.98x = 57,428.49 × 10,581.50
  4. Step 4: Simplify right side
    38,289.98x = 607,679,566.94
  5. Step 5: Solve for x
    x = 607,679,566.94/38,289.98
  6. Step 6: Final answer
    x = 15,870.46

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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.