Home / 40,642.94-56,106.43-30,575.22

Finding the Fourth Proportional to 40,642.94, 56,106.43 and 30,575.22

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Solution

The fourth proportional to 40,642.94, 56,106.43 and 30,575.22 is: 42,208.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,642.94 : 56,106.43 = 30,575.22 : x
  2. Step 2: Convert to fraction form
    40,642.94/56,106.43 = 30,575.22/x
  3. Step 3: Cross multiply
    40,642.94x = 56,106.43 × 30,575.22
  4. Step 4: Simplify right side
    40,642.94x = 1,715,466,160.13
  5. Step 5: Solve for x
    x = 1,715,466,160.13/40,642.94
  6. Step 6: Final answer
    x = 42,208.22

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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.