Home / 56,400.76-77,833.07-33,740.72

Finding the Fourth Proportional to 56,400.76, 77,833.07 and 33,740.72

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Solution

The fourth proportional to 56,400.76, 77,833.07 and 33,740.72 is: 46,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,400.76 : 77,833.07 = 33,740.72 : x
  2. Step 2: Convert to fraction form
    56,400.76/77,833.07 = 33,740.72/x
  3. Step 3: Cross multiply
    56,400.76x = 77,833.07 × 33,740.72
  4. Step 4: Simplify right side
    56,400.76x = 2,626,143,821.61
  5. Step 5: Solve for x
    x = 2,626,143,821.61/56,400.76
  6. Step 6: Final answer
    x = 46,562.21

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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.