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Finding the Fourth Proportional to 63,533.40, 87,669.86 and 35,238.52

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Solution

The fourth proportional to 63,533.40, 87,669.86 and 35,238.52 is: 48,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,533.40 : 87,669.86 = 35,238.52 : x
  2. Step 2: Convert to fraction form
    63,533.40/87,669.86 = 35,238.52/x
  3. Step 3: Cross multiply
    63,533.40x = 87,669.86 × 35,238.52
  4. Step 4: Simplify right side
    63,533.40x = 3,089,356,115.01
  5. Step 5: Solve for x
    x = 3,089,356,115.01/63,533.40
  6. Step 6: Final answer
    x = 48,625.70

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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.