Home / 39,810.55-59,715.87-10,228.63

Finding the Fourth Proportional to 39,810.55, 59,715.87 and 10,228.63

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Solution

The fourth proportional to 39,810.55, 59,715.87 and 10,228.63 is: 15,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,810.55 : 59,715.87 = 10,228.63 : x
  2. Step 2: Convert to fraction form
    39,810.55/59,715.87 = 10,228.63/x
  3. Step 3: Cross multiply
    39,810.55x = 59,715.87 × 10,228.63
  4. Step 4: Simplify right side
    39,810.55x = 610,811,351.71
  5. Step 5: Solve for x
    x = 610,811,351.71/39,810.55
  6. Step 6: Final answer
    x = 15,342.95

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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.