Home / 42,214.77-63,330.66-20,030.49

Finding the Fourth Proportional to 42,214.77, 63,330.66 and 20,030.49

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Solution

The fourth proportional to 42,214.77, 63,330.66 and 20,030.49 is: 30,049.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,214.77 : 63,330.66 = 20,030.49 : x
  2. Step 2: Convert to fraction form
    42,214.77/63,330.66 = 20,030.49/x
  3. Step 3: Cross multiply
    42,214.77x = 63,330.66 × 20,030.49
  4. Step 4: Simplify right side
    42,214.77x = 1,268,544,151.82
  5. Step 5: Solve for x
    x = 1,268,544,151.82/42,214.77
  6. Step 6: Final answer
    x = 30,049.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.