Home / 39,660.26-59,489.45-11,579.18

Finding the Fourth Proportional to 39,660.26, 59,489.45 and 11,579.18

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Solution

The fourth proportional to 39,660.26, 59,489.45 and 11,579.18 is: 17,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.26 : 59,489.45 = 11,579.18 : x
  2. Step 2: Convert to fraction form
    39,660.26/59,489.45 = 11,579.18/x
  3. Step 3: Cross multiply
    39,660.26x = 59,489.45 × 11,579.18
  4. Step 4: Simplify right side
    39,660.26x = 688,838,991.76
  5. Step 5: Solve for x
    x = 688,838,991.76/39,660.26
  6. Step 6: Final answer
    x = 17,368.49

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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.