Home / 29,038.24-43,377.13-21,077.56

Finding the Fourth Proportional to 29,038.24, 43,377.13 and 21,077.56

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Solution

The fourth proportional to 29,038.24, 43,377.13 and 21,077.56 is: 31,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,038.24 : 43,377.13 = 21,077.56 : x
  2. Step 2: Convert to fraction form
    29,038.24/43,377.13 = 21,077.56/x
  3. Step 3: Cross multiply
    29,038.24x = 43,377.13 × 21,077.56
  4. Step 4: Simplify right side
    29,038.24x = 914,284,060.20
  5. Step 5: Solve for x
    x = 914,284,060.20/29,038.24
  6. Step 6: Final answer
    x = 31,485.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.