Home / 55,332.68-76,359.30-31,467.20

Finding the Fourth Proportional to 55,332.68, 76,359.30 and 31,467.20

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Solution

The fourth proportional to 55,332.68, 76,359.30 and 31,467.20 is: 43,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,332.68 : 76,359.30 = 31,467.20 : x
  2. Step 2: Convert to fraction form
    55,332.68/76,359.30 = 31,467.20/x
  3. Step 3: Cross multiply
    55,332.68x = 76,359.30 × 31,467.20
  4. Step 4: Simplify right side
    55,332.68x = 2,402,813,364.96
  5. Step 5: Solve for x
    x = 2,402,813,364.96/55,332.68
  6. Step 6: Final answer
    x = 43,424.85

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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.