Home / 58,723.08-81,037.74-31,865.61

Finding the Fourth Proportional to 58,723.08, 81,037.74 and 31,865.61

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Solution

The fourth proportional to 58,723.08, 81,037.74 and 31,865.61 is: 43,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,723.08 : 81,037.74 = 31,865.61 : x
  2. Step 2: Convert to fraction form
    58,723.08/81,037.74 = 31,865.61/x
  3. Step 3: Cross multiply
    58,723.08x = 81,037.74 × 31,865.61
  4. Step 4: Simplify right side
    58,723.08x = 2,582,317,018.12
  5. Step 5: Solve for x
    x = 2,582,317,018.12/58,723.08
  6. Step 6: Final answer
    x = 43,974.48

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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.