Home / 56,343.31-77,751.36-30,849.21

Finding the Fourth Proportional to 56,343.31, 77,751.36 and 30,849.21

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Solution

The fourth proportional to 56,343.31, 77,751.36 and 30,849.21 is: 42,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,343.31 : 77,751.36 = 30,849.21 : x
  2. Step 2: Convert to fraction form
    56,343.31/77,751.36 = 30,849.21/x
  3. Step 3: Cross multiply
    56,343.31x = 77,751.36 × 30,849.21
  4. Step 4: Simplify right side
    56,343.31x = 2,398,568,032.43
  5. Step 5: Solve for x
    x = 2,398,568,032.43/56,343.31
  6. Step 6: Final answer
    x = 42,570.59

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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.