Home / 56,387.95-84,583.98-18,949.28

Finding the Fourth Proportional to 56,387.95, 84,583.98 and 18,949.28

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Solution

The fourth proportional to 56,387.95, 84,583.98 and 18,949.28 is: 28,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.95 : 84,583.98 = 18,949.28 : x
  2. Step 2: Convert to fraction form
    56,387.95/84,583.98 = 18,949.28/x
  3. Step 3: Cross multiply
    56,387.95x = 84,583.98 × 18,949.28
  4. Step 4: Simplify right side
    56,387.95x = 1,602,805,097.61
  5. Step 5: Solve for x
    x = 1,602,805,097.61/56,387.95
  6. Step 6: Final answer
    x = 28,424.60

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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.