Home / 58,724.20-81,038.99-31,866.03

Finding the Fourth Proportional to 58,724.20, 81,038.99 and 31,866.03

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Solution

The fourth proportional to 58,724.20, 81,038.99 and 31,866.03 is: 43,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,724.20 : 81,038.99 = 31,866.03 : x
  2. Step 2: Convert to fraction form
    58,724.20/81,038.99 = 31,866.03/x
  3. Step 3: Cross multiply
    58,724.20x = 81,038.99 × 31,866.03
  4. Step 4: Simplify right side
    58,724.20x = 2,582,390,321.98
  5. Step 5: Solve for x
    x = 2,582,390,321.98/58,724.20
  6. Step 6: Final answer
    x = 43,974.89

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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.