Home / 42,297.40-63,441.30-11,135.08

Finding the Fourth Proportional to 42,297.40, 63,441.30 and 11,135.08

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Solution

The fourth proportional to 42,297.40, 63,441.30 and 11,135.08 is: 16,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,297.40 : 63,441.30 = 11,135.08 : x
  2. Step 2: Convert to fraction form
    42,297.40/63,441.30 = 11,135.08/x
  3. Step 3: Cross multiply
    42,297.40x = 63,441.30 × 11,135.08
  4. Step 4: Simplify right side
    42,297.40x = 706,423,950.80
  5. Step 5: Solve for x
    x = 706,423,950.80/42,297.40
  6. Step 6: Final answer
    x = 16,701.36

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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.