Home / 56,133.41-77,464.15-30,982.91

Finding the Fourth Proportional to 56,133.41, 77,464.15 and 30,982.91

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Solution

The fourth proportional to 56,133.41, 77,464.15 and 30,982.91 is: 42,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,133.41 : 77,464.15 = 30,982.91 : x
  2. Step 2: Convert to fraction form
    56,133.41/77,464.15 = 30,982.91/x
  3. Step 3: Cross multiply
    56,133.41x = 77,464.15 × 30,982.91
  4. Step 4: Simplify right side
    56,133.41x = 2,400,064,322.90
  5. Step 5: Solve for x
    x = 2,400,064,322.90/56,133.41
  6. Step 6: Final answer
    x = 42,756.44

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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.