Home / 30,124.32-41,519.63-20,034.71

Finding the Fourth Proportional to 30,124.32, 41,519.63 and 20,034.71

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Solution

The fourth proportional to 30,124.32, 41,519.63 and 20,034.71 is: 27,613.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.32 : 41,519.63 = 20,034.71 : x
  2. Step 2: Convert to fraction form
    30,124.32/41,519.63 = 20,034.71/x
  3. Step 3: Cross multiply
    30,124.32x = 41,519.63 × 20,034.71
  4. Step 4: Simplify right side
    30,124.32x = 831,833,746.36
  5. Step 5: Solve for x
    x = 831,833,746.36/30,124.32
  6. Step 6: Final answer
    x = 27,613.36

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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.