Home / 70,020.08-96,623.90-39,801.20

Finding the Fourth Proportional to 70,020.08, 96,623.90 and 39,801.20

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Solution

The fourth proportional to 70,020.08, 96,623.90 and 39,801.20 is: 54,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,020.08 : 96,623.90 = 39,801.20 : x
  2. Step 2: Convert to fraction form
    70,020.08/96,623.90 = 39,801.20/x
  3. Step 3: Cross multiply
    70,020.08x = 96,623.90 × 39,801.20
  4. Step 4: Simplify right side
    70,020.08x = 3,845,747,168.68
  5. Step 5: Solve for x
    x = 3,845,747,168.68/70,020.08
  6. Step 6: Final answer
    x = 54,923.49

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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.