Home / 56,035.72-77,329.66-30,885.22

Finding the Fourth Proportional to 56,035.72, 77,329.66 and 30,885.22

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Solution

The fourth proportional to 56,035.72, 77,329.66 and 30,885.22 is: 42,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,035.72 : 77,329.66 = 30,885.22 : x
  2. Step 2: Convert to fraction form
    56,035.72/77,329.66 = 30,885.22/x
  3. Step 3: Cross multiply
    56,035.72x = 77,329.66 × 30,885.22
  4. Step 4: Simplify right side
    56,035.72x = 2,388,343,561.63
  5. Step 5: Solve for x
    x = 2,388,343,561.63/56,035.72
  6. Step 6: Final answer
    x = 42,621.81

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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.