Home / 63,581.98-87,739.05-39,707.23

Finding the Fourth Proportional to 63,581.98, 87,739.05 and 39,707.23

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Solution

The fourth proportional to 63,581.98, 87,739.05 and 39,707.23 is: 54,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,581.98 : 87,739.05 = 39,707.23 : x
  2. Step 2: Convert to fraction form
    63,581.98/87,739.05 = 39,707.23/x
  3. Step 3: Cross multiply
    63,581.98x = 87,739.05 × 39,707.23
  4. Step 4: Simplify right side
    63,581.98x = 3,483,874,638.33
  5. Step 5: Solve for x
    x = 3,483,874,638.33/63,581.98
  6. Step 6: Final answer
    x = 54,793.43

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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.