Home / 48,533.50-66,982.71-31,776.22

Finding the Fourth Proportional to 48,533.50, 66,982.71 and 31,776.22

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Solution

The fourth proportional to 48,533.50, 66,982.71 and 31,776.22 is: 43,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,533.50 : 66,982.71 = 31,776.22 : x
  2. Step 2: Convert to fraction form
    48,533.50/66,982.71 = 31,776.22/x
  3. Step 3: Cross multiply
    48,533.50x = 66,982.71 × 31,776.22
  4. Step 4: Simplify right side
    48,533.50x = 2,128,457,329.16
  5. Step 5: Solve for x
    x = 2,128,457,329.16/48,533.50
  6. Step 6: Final answer
    x = 43,855.43

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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.