Home / 53,160.34-79,744.02-17,621.50

Finding the Fourth Proportional to 53,160.34, 79,744.02 and 17,621.50

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Solution

The fourth proportional to 53,160.34, 79,744.02 and 17,621.50 is: 26,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,160.34 : 79,744.02 = 17,621.50 : x
  2. Step 2: Convert to fraction form
    53,160.34/79,744.02 = 17,621.50/x
  3. Step 3: Cross multiply
    53,160.34x = 79,744.02 × 17,621.50
  4. Step 4: Simplify right side
    53,160.34x = 1,405,209,248.43
  5. Step 5: Solve for x
    x = 1,405,209,248.43/53,160.34
  6. Step 6: Final answer
    x = 26,433.41

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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.