Home / 39,856.24-59,772.48-13,555.04

Finding the Fourth Proportional to 39,856.24, 59,772.48 and 13,555.04

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Solution

The fourth proportional to 39,856.24, 59,772.48 and 13,555.04 is: 20,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856.24 : 59,772.48 = 13,555.04 : x
  2. Step 2: Convert to fraction form
    39,856.24/59,772.48 = 13,555.04/x
  3. Step 3: Cross multiply
    39,856.24x = 59,772.48 × 13,555.04
  4. Step 4: Simplify right side
    39,856.24x = 810,218,357.30
  5. Step 5: Solve for x
    x = 810,218,357.30/39,856.24
  6. Step 6: Final answer
    x = 20,328.52

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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.