Home / 33,151.44-45,688.08-31,047.12

Finding the Fourth Proportional to 33,151.44, 45,688.08 and 31,047.12

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Solution

The fourth proportional to 33,151.44, 45,688.08 and 31,047.12 is: 42,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,151.44 : 45,688.08 = 31,047.12 : x
  2. Step 2: Convert to fraction form
    33,151.44/45,688.08 = 31,047.12/x
  3. Step 3: Cross multiply
    33,151.44x = 45,688.08 × 31,047.12
  4. Step 4: Simplify right side
    33,151.44x = 1,418,483,302.33
  5. Step 5: Solve for x
    x = 1,418,483,302.33/33,151.44
  6. Step 6: Final answer
    x = 42,787.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.