Home / 42,773.04-64,169.46-13,190.22

Finding the Fourth Proportional to 42,773.04, 64,169.46 and 13,190.22

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Solution

The fourth proportional to 42,773.04, 64,169.46 and 13,190.22 is: 19,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,773.04 : 64,169.46 = 13,190.22 : x
  2. Step 2: Convert to fraction form
    42,773.04/64,169.46 = 13,190.22/x
  3. Step 3: Cross multiply
    42,773.04x = 64,169.46 × 13,190.22
  4. Step 4: Simplify right side
    42,773.04x = 846,409,294.68
  5. Step 5: Solve for x
    x = 846,409,294.68/42,773.04
  6. Step 6: Final answer
    x = 19,788.38

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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.