Home / 48,487.56-66,913.74-28,346.16

Finding the Fourth Proportional to 48,487.56, 66,913.74 and 28,346.16

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Solution

The fourth proportional to 48,487.56, 66,913.74 and 28,346.16 is: 39,118.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,487.56 : 66,913.74 = 28,346.16 : x
  2. Step 2: Convert to fraction form
    48,487.56/66,913.74 = 28,346.16/x
  3. Step 3: Cross multiply
    48,487.56x = 66,913.74 × 28,346.16
  4. Step 4: Simplify right side
    48,487.56x = 1,896,747,580.24
  5. Step 5: Solve for x
    x = 1,896,747,580.24/48,487.56
  6. Step 6: Final answer
    x = 39,118.23

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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.