Home / 29,443.74-40,628.68-19,904.39

Finding the Fourth Proportional to 29,443.74, 40,628.68 and 19,904.39

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Solution

The fourth proportional to 29,443.74, 40,628.68 and 19,904.39 is: 27,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,443.74 : 40,628.68 = 19,904.39 : x
  2. Step 2: Convert to fraction form
    29,443.74/40,628.68 = 19,904.39/x
  3. Step 3: Cross multiply
    29,443.74x = 40,628.68 × 19,904.39
  4. Step 4: Simplify right side
    29,443.74x = 808,688,840.03
  5. Step 5: Solve for x
    x = 808,688,840.03/29,443.74
  6. Step 6: Final answer
    x = 27,465.56

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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.