Home / 29,282.48-40,428.44-19,228.76

Finding the Fourth Proportional to 29,282.48, 40,428.44 and 19,228.76

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Solution

The fourth proportional to 29,282.48, 40,428.44 and 19,228.76 is: 26,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,282.48 : 40,428.44 = 19,228.76 : x
  2. Step 2: Convert to fraction form
    29,282.48/40,428.44 = 19,228.76/x
  3. Step 3: Cross multiply
    29,282.48x = 40,428.44 × 19,228.76
  4. Step 4: Simplify right side
    29,282.48x = 777,388,769.93
  5. Step 5: Solve for x
    x = 777,388,769.93/29,282.48
  6. Step 6: Final answer
    x = 26,547.91

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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.