Home / 40,749.45-61,112.29-15,783.93

Finding the Fourth Proportional to 40,749.45, 61,112.29 and 15,783.93

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Solution

The fourth proportional to 40,749.45, 61,112.29 and 15,783.93 is: 23,671.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,749.45 : 61,112.29 = 15,783.93 : x
  2. Step 2: Convert to fraction form
    40,749.45/61,112.29 = 15,783.93/x
  3. Step 3: Cross multiply
    40,749.45x = 61,112.29 × 15,783.93
  4. Step 4: Simplify right side
    40,749.45x = 964,592,107.50
  5. Step 5: Solve for x
    x = 964,592,107.50/40,749.45
  6. Step 6: Final answer
    x = 23,671.29

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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.