Home / 58,674.28-80,970.30-31,816.74

Finding the Fourth Proportional to 58,674.28, 80,970.30 and 31,816.74

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Solution

The fourth proportional to 58,674.28, 80,970.30 and 31,816.74 is: 43,906.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,674.28 : 80,970.30 = 31,816.74 : x
  2. Step 2: Convert to fraction form
    58,674.28/80,970.30 = 31,816.74/x
  3. Step 3: Cross multiply
    58,674.28x = 80,970.30 × 31,816.74
  4. Step 4: Simplify right side
    58,674.28x = 2,576,210,982.82
  5. Step 5: Solve for x
    x = 2,576,210,982.82/58,674.28
  6. Step 6: Final answer
    x = 43,906.99

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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.