Home / 42,129.70-58,138.98-23,266.82

Finding the Fourth Proportional to 42,129.70, 58,138.98 and 23,266.82

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Solution

The fourth proportional to 42,129.70, 58,138.98 and 23,266.82 is: 32,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,129.70 : 58,138.98 = 23,266.82 : x
  2. Step 2: Convert to fraction form
    42,129.70/58,138.98 = 23,266.82/x
  3. Step 3: Cross multiply
    42,129.70x = 58,138.98 × 23,266.82
  4. Step 4: Simplify right side
    42,129.70x = 1,352,709,182.64
  5. Step 5: Solve for x
    x = 1,352,709,182.64/42,129.70
  6. Step 6: Final answer
    x = 32,108.21

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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.