Home / 39,900.18-59,845.40-10,315.54

Finding the Fourth Proportional to 39,900.18, 59,845.40 and 10,315.54

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Solution

The fourth proportional to 39,900.18, 59,845.40 and 10,315.54 is: 15,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,900.18 : 59,845.40 = 10,315.54 : x
  2. Step 2: Convert to fraction form
    39,900.18/59,845.40 = 10,315.54/x
  3. Step 3: Cross multiply
    39,900.18x = 59,845.40 × 10,315.54
  4. Step 4: Simplify right side
    39,900.18x = 617,337,617.52
  5. Step 5: Solve for x
    x = 617,337,617.52/39,900.18
  6. Step 6: Final answer
    x = 15,472.05

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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.