Home / 29,030.87-43,472.45-19,140.14

Finding the Fourth Proportional to 29,030.87, 43,472.45 and 19,140.14

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Solution

The fourth proportional to 29,030.87, 43,472.45 and 19,140.14 is: 28,661.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,030.87 : 43,472.45 = 19,140.14 : x
  2. Step 2: Convert to fraction form
    29,030.87/43,472.45 = 19,140.14/x
  3. Step 3: Cross multiply
    29,030.87x = 43,472.45 × 19,140.14
  4. Step 4: Simplify right side
    29,030.87x = 832,068,683.44
  5. Step 5: Solve for x
    x = 832,068,683.44/29,030.87
  6. Step 6: Final answer
    x = 28,661.51

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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.