Home / 60,259.36-90,388.58-18,139.24

Finding the Fourth Proportional to 60,259.36, 90,388.58 and 18,139.24

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Solution

The fourth proportional to 60,259.36, 90,388.58 and 18,139.24 is: 27,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,259.36 : 90,388.58 = 18,139.24 : x
  2. Step 2: Convert to fraction form
    60,259.36/90,388.58 = 18,139.24/x
  3. Step 3: Cross multiply
    60,259.36x = 90,388.58 × 18,139.24
  4. Step 4: Simplify right side
    60,259.36x = 1,639,580,145.88
  5. Step 5: Solve for x
    x = 1,639,580,145.88/60,259.36
  6. Step 6: Final answer
    x = 27,208.72

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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.