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Finding the Fourth Proportional to 63,571.68, 87,727.68 and 35,276.76

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Solution

The fourth proportional to 63,571.68, 87,727.68 and 35,276.76 is: 48,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,571.68 : 87,727.68 = 35,276.76 : x
  2. Step 2: Convert to fraction form
    63,571.68/87,727.68 = 35,276.76/x
  3. Step 3: Cross multiply
    63,571.68x = 87,727.68 × 35,276.76
  4. Step 4: Simplify right side
    63,571.68x = 3,094,748,312.72
  5. Step 5: Solve for x
    x = 3,094,748,312.72/63,571.68
  6. Step 6: Final answer
    x = 48,681.24

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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.