Home / 40,188.13-60,282.65-19,130.11

Finding the Fourth Proportional to 40,188.13, 60,282.65 and 19,130.11

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Solution

The fourth proportional to 40,188.13, 60,282.65 and 19,130.11 is: 28,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,188.13 : 60,282.65 = 19,130.11 : x
  2. Step 2: Convert to fraction form
    40,188.13/60,282.65 = 19,130.11/x
  3. Step 3: Cross multiply
    40,188.13x = 60,282.65 × 19,130.11
  4. Step 4: Simplify right side
    40,188.13x = 1,153,213,629.94
  5. Step 5: Solve for x
    x = 1,153,213,629.94/40,188.13
  6. Step 6: Final answer
    x = 28,695.38

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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.