Home / 40,789.20-61,206.09-15,830.24

Finding the Fourth Proportional to 40,789.20, 61,206.09 and 15,830.24

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Solution

The fourth proportional to 40,789.20, 61,206.09 and 15,830.24 is: 23,754.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,789.20 : 61,206.09 = 15,830.24 : x
  2. Step 2: Convert to fraction form
    40,789.20/61,206.09 = 15,830.24/x
  3. Step 3: Cross multiply
    40,789.20x = 61,206.09 × 15,830.24
  4. Step 4: Simplify right side
    40,789.20x = 968,907,094.16
  5. Step 5: Solve for x
    x = 968,907,094.16/40,789.20
  6. Step 6: Final answer
    x = 23,754.01

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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.