Home / 48,718.86-67,232.34-28,571.64

Finding the Fourth Proportional to 48,718.86, 67,232.34 and 28,571.64

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Solution

The fourth proportional to 48,718.86, 67,232.34 and 28,571.64 is: 39,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,718.86 : 67,232.34 = 28,571.64 : x
  2. Step 2: Convert to fraction form
    48,718.86/67,232.34 = 28,571.64/x
  3. Step 3: Cross multiply
    48,718.86x = 67,232.34 × 28,571.64
  4. Step 4: Simplify right side
    48,718.86x = 1,920,938,214.84
  5. Step 5: Solve for x
    x = 1,920,938,214.84/48,718.86
  6. Step 6: Final answer
    x = 39,429.05

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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.