Home / 29,628.81-40,915.19-19,037.05

Finding the Fourth Proportional to 29,628.81, 40,915.19 and 19,037.05

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Solution

The fourth proportional to 29,628.81, 40,915.19 and 19,037.05 is: 26,288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,628.81 : 40,915.19 = 19,037.05 : x
  2. Step 2: Convert to fraction form
    29,628.81/40,915.19 = 19,037.05/x
  3. Step 3: Cross multiply
    29,628.81x = 40,915.19 × 19,037.05
  4. Step 4: Simplify right side
    29,628.81x = 778,904,463.09
  5. Step 5: Solve for x
    x = 778,904,463.09/29,628.81
  6. Step 6: Final answer
    x = 26,288.75

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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.