Home / 19,980.06-29,931.21-13,033.50

Finding the Fourth Proportional to 19,980.06, 29,931.21 and 13,033.50

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Solution

The fourth proportional to 19,980.06, 29,931.21 and 13,033.50 is: 19,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980.06 : 29,931.21 = 13,033.50 : x
  2. Step 2: Convert to fraction form
    19,980.06/29,931.21 = 13,033.50/x
  3. Step 3: Cross multiply
    19,980.06x = 29,931.21 × 13,033.50
  4. Step 4: Simplify right side
    19,980.06x = 390,108,425.54
  5. Step 5: Solve for x
    x = 390,108,425.54/19,980.06
  6. Step 6: Final answer
    x = 19,524.89

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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.