Home / 42,079.10-63,068.45-19,559.36

Finding the Fourth Proportional to 42,079.10, 63,068.45 and 19,559.36

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Solution

The fourth proportional to 42,079.10, 63,068.45 and 19,559.36 is: 29,315.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,079.10 : 63,068.45 = 19,559.36 : x
  2. Step 2: Convert to fraction form
    42,079.10/63,068.45 = 19,559.36/x
  3. Step 3: Cross multiply
    42,079.10x = 63,068.45 × 19,559.36
  4. Step 4: Simplify right side
    42,079.10x = 1,233,578,578.07
  5. Step 5: Solve for x
    x = 1,233,578,578.07/42,079.10
  6. Step 6: Final answer
    x = 29,315.71

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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.