Home / 56,449.36-77,903.58-31,298.86

Finding the Fourth Proportional to 56,449.36, 77,903.58 and 31,298.86

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Solution

The fourth proportional to 56,449.36, 77,903.58 and 31,298.86 is: 43,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,449.36 : 77,903.58 = 31,298.86 : x
  2. Step 2: Convert to fraction form
    56,449.36/77,903.58 = 31,298.86/x
  3. Step 3: Cross multiply
    56,449.36x = 77,903.58 × 31,298.86
  4. Step 4: Simplify right side
    56,449.36x = 2,438,293,243.92
  5. Step 5: Solve for x
    x = 2,438,293,243.92/56,449.36
  6. Step 6: Final answer
    x = 43,194.35

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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.