Home / 58,531.64-87,745.05-21,082.91

Finding the Fourth Proportional to 58,531.64, 87,745.05 and 21,082.91

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Solution

The fourth proportional to 58,531.64, 87,745.05 and 21,082.91 is: 31,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,531.64 : 87,745.05 = 21,082.91 : x
  2. Step 2: Convert to fraction form
    58,531.64/87,745.05 = 21,082.91/x
  3. Step 3: Cross multiply
    58,531.64x = 87,745.05 × 21,082.91
  4. Step 4: Simplify right side
    58,531.64x = 1,849,920,553.37
  5. Step 5: Solve for x
    x = 1,849,920,553.37/58,531.64
  6. Step 6: Final answer
    x = 31,605.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.