Home / 56,253.15-77,629.43-30,759.63

Finding the Fourth Proportional to 56,253.15, 77,629.43 and 30,759.63

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Solution

The fourth proportional to 56,253.15, 77,629.43 and 30,759.63 is: 42,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,253.15 : 77,629.43 = 30,759.63 : x
  2. Step 2: Convert to fraction form
    56,253.15/77,629.43 = 30,759.63/x
  3. Step 3: Cross multiply
    56,253.15x = 77,629.43 × 30,759.63
  4. Step 4: Simplify right side
    56,253.15x = 2,387,852,390.11
  5. Step 5: Solve for x
    x = 2,387,852,390.11/56,253.15
  6. Step 6: Final answer
    x = 42,448.33

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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.