Home / 54,265.60-81,386.10-19,205.26

Finding the Fourth Proportional to 54,265.60, 81,386.10 and 19,205.26

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Solution

The fourth proportional to 54,265.60, 81,386.10 and 19,205.26 is: 28,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,265.60 : 81,386.10 = 19,205.26 : x
  2. Step 2: Convert to fraction form
    54,265.60/81,386.10 = 19,205.26/x
  3. Step 3: Cross multiply
    54,265.60x = 81,386.10 × 19,205.26
  4. Step 4: Simplify right side
    54,265.60x = 1,563,041,210.89
  5. Step 5: Solve for x
    x = 1,563,041,210.89/54,265.60
  6. Step 6: Final answer
    x = 28,803.54

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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.