Home / 58,836.48-81,194.84-31,978.99

Finding the Fourth Proportional to 58,836.48, 81,194.84 and 31,978.99

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Solution

The fourth proportional to 58,836.48, 81,194.84 and 31,978.99 is: 44,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,836.48 : 81,194.84 = 31,978.99 : x
  2. Step 2: Convert to fraction form
    58,836.48/81,194.84 = 31,978.99/x
  3. Step 3: Cross multiply
    58,836.48x = 81,194.84 × 31,978.99
  4. Step 4: Simplify right side
    58,836.48x = 2,596,528,976.41
  5. Step 5: Solve for x
    x = 2,596,528,976.41/58,836.48
  6. Step 6: Final answer
    x = 44,131.28

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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.