Home / 58,585.64-87,850.85-21,140.82

Finding the Fourth Proportional to 58,585.64, 87,850.85 and 21,140.82

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Solution

The fourth proportional to 58,585.64, 87,850.85 and 21,140.82 is: 31,701.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,585.64 : 87,850.85 = 21,140.82 : x
  2. Step 2: Convert to fraction form
    58,585.64/87,850.85 = 21,140.82/x
  3. Step 3: Cross multiply
    58,585.64x = 87,850.85 × 21,140.82
  4. Step 4: Simplify right side
    58,585.64x = 1,857,238,900.99
  5. Step 5: Solve for x
    x = 1,857,238,900.99/58,585.64
  6. Step 6: Final answer
    x = 31,701.27

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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.