Home / 45,420.01-68,130.39-15,837.79

Finding the Fourth Proportional to 45,420.01, 68,130.39 and 15,837.79

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Solution

The fourth proportional to 45,420.01, 68,130.39 and 15,837.79 is: 23,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420.01 : 68,130.39 = 15,837.79 : x
  2. Step 2: Convert to fraction form
    45,420.01/68,130.39 = 15,837.79/x
  3. Step 3: Cross multiply
    45,420.01x = 68,130.39 × 15,837.79
  4. Step 4: Simplify right side
    45,420.01x = 1,079,034,809.44
  5. Step 5: Solve for x
    x = 1,079,034,809.44/45,420.01
  6. Step 6: Final answer
    x = 23,756.82

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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.