Home / 53,120-79,683.65-17,581.25

Finding the Fourth Proportional to 53,120, 79,683.65 and 17,581.25

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Solution

The fourth proportional to 53,120, 79,683.65 and 17,581.25 is: 26,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,120 : 79,683.65 = 17,581.25 : x
  2. Step 2: Convert to fraction form
    53,120/79,683.65 = 17,581.25/x
  3. Step 3: Cross multiply
    53,120x = 79,683.65 × 17,581.25
  4. Step 4: Simplify right side
    53,120x = 1,400,938,171.56
  5. Step 5: Solve for x
    x = 1,400,938,171.56/53,120
  6. Step 6: Final answer
    x = 26,373.08

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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.