Home / 42,382.73-63,580.47-12,802.95

Finding the Fourth Proportional to 42,382.73, 63,580.47 and 12,802.95

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Solution

The fourth proportional to 42,382.73, 63,580.47 and 12,802.95 is: 19,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,382.73 : 63,580.47 = 12,802.95 : x
  2. Step 2: Convert to fraction form
    42,382.73/63,580.47 = 12,802.95/x
  3. Step 3: Cross multiply
    42,382.73x = 63,580.47 × 12,802.95
  4. Step 4: Simplify right side
    42,382.73x = 814,017,578.39
  5. Step 5: Solve for x
    x = 814,017,578.39/42,382.73
  6. Step 6: Final answer
    x = 19,206.35

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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.