Home / 55,281.92-76,288.88-31,407.44

Finding the Fourth Proportional to 55,281.92, 76,288.88 and 31,407.44

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Solution

The fourth proportional to 55,281.92, 76,288.88 and 31,407.44 is: 43,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,281.92 : 76,288.88 = 31,407.44 : x
  2. Step 2: Convert to fraction form
    55,281.92/76,288.88 = 31,407.44/x
  3. Step 3: Cross multiply
    55,281.92x = 76,288.88 × 31,407.44
  4. Step 4: Simplify right side
    55,281.92x = 2,396,038,421.27
  5. Step 5: Solve for x
    x = 2,396,038,421.27/55,281.92
  6. Step 6: Final answer
    x = 43,342.17

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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.