Home / 42,415.54-63,524.85-40,939.36

Finding the Fourth Proportional to 42,415.54, 63,524.85 and 40,939.36

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Solution

The fourth proportional to 42,415.54, 63,524.85 and 40,939.36 is: 61,314.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,415.54 : 63,524.85 = 40,939.36 : x
  2. Step 2: Convert to fraction form
    42,415.54/63,524.85 = 40,939.36/x
  3. Step 3: Cross multiply
    42,415.54x = 63,524.85 × 40,939.36
  4. Step 4: Simplify right side
    42,415.54x = 2,600,666,703.10
  5. Step 5: Solve for x
    x = 2,600,666,703.10/42,415.54
  6. Step 6: Final answer
    x = 61,314.01

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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.