Home / 39,718.55-59,586.03-11,639.52

Finding the Fourth Proportional to 39,718.55, 59,586.03 and 11,639.52

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Solution

The fourth proportional to 39,718.55, 59,586.03 and 11,639.52 is: 17,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,718.55 : 59,586.03 = 11,639.52 : x
  2. Step 2: Convert to fraction form
    39,718.55/59,586.03 = 11,639.52/x
  3. Step 3: Cross multiply
    39,718.55x = 59,586.03 × 11,639.52
  4. Step 4: Simplify right side
    39,718.55x = 693,552,787.91
  5. Step 5: Solve for x
    x = 693,552,787.91/39,718.55
  6. Step 6: Final answer
    x = 17,461.68

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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.