Home / 54,281.04-81,394.80-25,810.08

Finding the Fourth Proportional to 54,281.04, 81,394.80 and 25,810.08

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Solution

The fourth proportional to 54,281.04, 81,394.80 and 25,810.08 is: 38,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281.04 : 81,394.80 = 25,810.08 : x
  2. Step 2: Convert to fraction form
    54,281.04/81,394.80 = 25,810.08/x
  3. Step 3: Cross multiply
    54,281.04x = 81,394.80 × 25,810.08
  4. Step 4: Simplify right side
    54,281.04x = 2,100,806,299.58
  5. Step 5: Solve for x
    x = 2,100,806,299.58/54,281.04
  6. Step 6: Final answer
    x = 38,702.40

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1.5x scale

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.