Home / 36,681.73-55,033.56-21,088.42

Finding the Fourth Proportional to 36,681.73, 55,033.56 and 21,088.42

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Solution

The fourth proportional to 36,681.73, 55,033.56 and 21,088.42 is: 31,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.73 : 55,033.56 = 21,088.42 : x
  2. Step 2: Convert to fraction form
    36,681.73/55,033.56 = 21,088.42/x
  3. Step 3: Cross multiply
    36,681.73x = 55,033.56 × 21,088.42
  4. Step 4: Simplify right side
    36,681.73x = 1,160,570,689.79
  5. Step 5: Solve for x
    x = 1,160,570,689.79/36,681.73
  6. Step 6: Final answer
    x = 31,638.93

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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.