Home / 40,748.45-61,110.80-15,782.93

Finding the Fourth Proportional to 40,748.45, 61,110.80 and 15,782.93

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Solution

The fourth proportional to 40,748.45, 61,110.80 and 15,782.93 is: 23,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,748.45 : 61,110.80 = 15,782.93 : x
  2. Step 2: Convert to fraction form
    40,748.45/61,110.80 = 15,782.93/x
  3. Step 3: Cross multiply
    40,748.45x = 61,110.80 × 15,782.93
  4. Step 4: Simplify right side
    40,748.45x = 964,507,094.18
  5. Step 5: Solve for x
    x = 964,507,094.18/40,748.45
  6. Step 6: Final answer
    x = 23,669.79

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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.