Home / 56,462.96-77,919.48-31,314.08

Finding the Fourth Proportional to 56,462.96, 77,919.48 and 31,314.08

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Solution

The fourth proportional to 56,462.96, 77,919.48 and 31,314.08 is: 43,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,462.96 : 77,919.48 = 31,314.08 : x
  2. Step 2: Convert to fraction form
    56,462.96/77,919.48 = 31,314.08/x
  3. Step 3: Cross multiply
    56,462.96x = 77,919.48 × 31,314.08
  4. Step 4: Simplify right side
    56,462.96x = 2,439,976,830.28
  5. Step 5: Solve for x
    x = 2,439,976,830.28/56,462.96
  6. Step 6: Final answer
    x = 43,213.76

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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.