Home / 19,980.19-29,946.96-15,033.94

Finding the Fourth Proportional to 19,980.19, 29,946.96 and 15,033.94

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Solution

The fourth proportional to 19,980.19, 29,946.96 and 15,033.94 is: 22,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980.19 : 29,946.96 = 15,033.94 : x
  2. Step 2: Convert to fraction form
    19,980.19/29,946.96 = 15,033.94/x
  3. Step 3: Cross multiply
    19,980.19x = 29,946.96 × 15,033.94
  4. Step 4: Simplify right side
    19,980.19x = 450,220,799.82
  5. Step 5: Solve for x
    x = 450,220,799.82/19,980.19
  6. Step 6: Final answer
    x = 22,533.36

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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.