Home / 48,347.69-66,697.83-31,356.21

Finding the Fourth Proportional to 48,347.69, 66,697.83 and 31,356.21

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Solution

The fourth proportional to 48,347.69, 66,697.83 and 31,356.21 is: 43,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,347.69 : 66,697.83 = 31,356.21 : x
  2. Step 2: Convert to fraction form
    48,347.69/66,697.83 = 31,356.21/x
  3. Step 3: Cross multiply
    48,347.69x = 66,697.83 × 31,356.21
  4. Step 4: Simplify right side
    48,347.69x = 2,091,391,414.14
  5. Step 5: Solve for x
    x = 2,091,391,414.14/48,347.69
  6. Step 6: Final answer
    x = 43,257.32

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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.