Home / 54,283.95-81,429.98-19,219.05

Finding the Fourth Proportional to 54,283.95, 81,429.98 and 19,219.05

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Solution

The fourth proportional to 54,283.95, 81,429.98 and 19,219.05 is: 28,830.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,283.95 : 81,429.98 = 19,219.05 : x
  2. Step 2: Convert to fraction form
    54,283.95/81,429.98 = 19,219.05/x
  3. Step 3: Cross multiply
    54,283.95x = 81,429.98 × 19,219.05
  4. Step 4: Simplify right side
    54,283.95x = 1,565,006,761.02
  5. Step 5: Solve for x
    x = 1,565,006,761.02/54,283.95
  6. Step 6: Final answer
    x = 28,830.01

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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.