Home / 42,756.93-64,134.99-11,592.18

Finding the Fourth Proportional to 42,756.93, 64,134.99 and 11,592.18

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Solution

The fourth proportional to 42,756.93, 64,134.99 and 11,592.18 is: 17,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,756.93 : 64,134.99 = 11,592.18 : x
  2. Step 2: Convert to fraction form
    42,756.93/64,134.99 = 11,592.18/x
  3. Step 3: Cross multiply
    42,756.93x = 64,134.99 × 11,592.18
  4. Step 4: Simplify right side
    42,756.93x = 743,464,348.38
  5. Step 5: Solve for x
    x = 743,464,348.38/42,756.93
  6. Step 6: Final answer
    x = 17,388.16

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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.