Home / 45,157.56-62,347.86-28,187.64

Finding the Fourth Proportional to 45,157.56, 62,347.86 and 28,187.64

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Solution

The fourth proportional to 45,157.56, 62,347.86 and 28,187.64 is: 38,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,157.56 : 62,347.86 = 28,187.64 : x
  2. Step 2: Convert to fraction form
    45,157.56/62,347.86 = 28,187.64/x
  3. Step 3: Cross multiply
    45,157.56x = 62,347.86 × 28,187.64
  4. Step 4: Simplify right side
    45,157.56x = 1,757,439,032.45
  5. Step 5: Solve for x
    x = 1,757,439,032.45/45,157.56
  6. Step 6: Final answer
    x = 38,917.94

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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.