Home / 56,942.32-78,580.99-31,449.33

Finding the Fourth Proportional to 56,942.32, 78,580.99 and 31,449.33

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Solution

The fourth proportional to 56,942.32, 78,580.99 and 31,449.33 is: 43,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,942.32 : 78,580.99 = 31,449.33 : x
  2. Step 2: Convert to fraction form
    56,942.32/78,580.99 = 31,449.33/x
  3. Step 3: Cross multiply
    56,942.32x = 78,580.99 × 31,449.33
  4. Step 4: Simplify right side
    56,942.32x = 2,471,319,368.41
  5. Step 5: Solve for x
    x = 2,471,319,368.41/56,942.32
  6. Step 6: Final answer
    x = 43,400.40

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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.