Home / 63,031.23-86,987.12-34,739.55

Finding the Fourth Proportional to 63,031.23, 86,987.12 and 34,739.55

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Solution

The fourth proportional to 63,031.23, 86,987.12 and 34,739.55 is: 47,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,031.23 : 86,987.12 = 34,739.55 : x
  2. Step 2: Convert to fraction form
    63,031.23/86,987.12 = 34,739.55/x
  3. Step 3: Cross multiply
    63,031.23x = 86,987.12 × 34,739.55
  4. Step 4: Simplify right side
    63,031.23x = 3,021,893,230.90
  5. Step 5: Solve for x
    x = 3,021,893,230.90/63,031.23
  6. Step 6: Final answer
    x = 47,942.79

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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.