Home / 53,815.96-80,724-25,729.40

Finding the Fourth Proportional to 53,815.96, 80,724 and 25,729.40

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Solution

The fourth proportional to 53,815.96, 80,724 and 25,729.40 is: 38,594.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,815.96 : 80,724 = 25,729.40 : x
  2. Step 2: Convert to fraction form
    53,815.96/80,724 = 25,729.40/x
  3. Step 3: Cross multiply
    53,815.96x = 80,724 × 25,729.40
  4. Step 4: Simplify right side
    53,815.96x = 2,076,980,085.60
  5. Step 5: Solve for x
    x = 2,076,980,085.60/53,815.96
  6. Step 6: Final answer
    x = 38,594.13

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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.