Home / 55,404.70-76,465.05-31,206.46

Finding the Fourth Proportional to 55,404.70, 76,465.05 and 31,206.46

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Solution

The fourth proportional to 55,404.70, 76,465.05 and 31,206.46 is: 43,068.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,404.70 : 76,465.05 = 31,206.46 : x
  2. Step 2: Convert to fraction form
    55,404.70/76,465.05 = 31,206.46/x
  3. Step 3: Cross multiply
    55,404.70x = 76,465.05 × 31,206.46
  4. Step 4: Simplify right side
    55,404.70x = 2,386,203,524.22
  5. Step 5: Solve for x
    x = 2,386,203,524.22/55,404.70
  6. Step 6: Final answer
    x = 43,068.61

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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.