Home / 42,314.81-63,424.22-19,802.07

Finding the Fourth Proportional to 42,314.81, 63,424.22 and 19,802.07

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Solution

The fourth proportional to 42,314.81, 63,424.22 and 19,802.07 is: 29,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,314.81 : 63,424.22 = 19,802.07 : x
  2. Step 2: Convert to fraction form
    42,314.81/63,424.22 = 19,802.07/x
  3. Step 3: Cross multiply
    42,314.81x = 63,424.22 × 19,802.07
  4. Step 4: Simplify right side
    42,314.81x = 1,255,930,745.13
  5. Step 5: Solve for x
    x = 1,255,930,745.13/42,314.81
  6. Step 6: Final answer
    x = 29,680.65

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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.