Home / 56,009.73-77,293.39-30,859.23

Finding the Fourth Proportional to 56,009.73, 77,293.39 and 30,859.23

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Solution

The fourth proportional to 56,009.73, 77,293.39 and 30,859.23 is: 42,585.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,009.73 : 77,293.39 = 30,859.23 : x
  2. Step 2: Convert to fraction form
    56,009.73/77,293.39 = 30,859.23/x
  3. Step 3: Cross multiply
    56,009.73x = 77,293.39 × 30,859.23
  4. Step 4: Simplify right side
    56,009.73x = 2,385,214,499.49
  5. Step 5: Solve for x
    x = 2,385,214,499.49/56,009.73
  6. Step 6: Final answer
    x = 42,585.72

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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.