Home / 55,911.58-77,158.17-30,417.94

Finding the Fourth Proportional to 55,911.58, 77,158.17 and 30,417.94

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Solution

The fourth proportional to 55,911.58, 77,158.17 and 30,417.94 is: 41,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,911.58 : 77,158.17 = 30,417.94 : x
  2. Step 2: Convert to fraction form
    55,911.58/77,158.17 = 30,417.94/x
  3. Step 3: Cross multiply
    55,911.58x = 77,158.17 × 30,417.94
  4. Step 4: Simplify right side
    55,911.58x = 2,346,992,726.36
  5. Step 5: Solve for x
    x = 2,346,992,726.36/55,911.58
  6. Step 6: Final answer
    x = 41,976.86

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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.