Home / 56,372.68-77,794.18-30,879.55

Finding the Fourth Proportional to 56,372.68, 77,794.18 and 30,879.55

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Solution

The fourth proportional to 56,372.68, 77,794.18 and 30,879.55 is: 42,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,372.68 : 77,794.18 = 30,879.55 : x
  2. Step 2: Convert to fraction form
    56,372.68/77,794.18 = 30,879.55/x
  3. Step 3: Cross multiply
    56,372.68x = 77,794.18 × 30,879.55
  4. Step 4: Simplify right side
    56,372.68x = 2,402,249,271.02
  5. Step 5: Solve for x
    x = 2,402,249,271.02/56,372.68
  6. Step 6: Final answer
    x = 42,613.71

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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.