Home / 56,176.08-77,487.38-42,717.84

Finding the Fourth Proportional to 56,176.08, 77,487.38 and 42,717.84

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Solution

The fourth proportional to 56,176.08, 77,487.38 and 42,717.84 is: 58,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,176.08 : 77,487.38 = 42,717.84 : x
  2. Step 2: Convert to fraction form
    56,176.08/77,487.38 = 42,717.84/x
  3. Step 3: Cross multiply
    56,176.08x = 77,487.38 × 42,717.84
  4. Step 4: Simplify right side
    56,176.08x = 3,310,093,500.86
  5. Step 5: Solve for x
    x = 3,310,093,500.86/56,176.08
  6. Step 6: Final answer
    x = 58,923.54

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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.