Home / 63,421.31-87,518.00-34,739.48

Finding the Fourth Proportional to 63,421.31, 87,518.00 and 34,739.48

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Solution

The fourth proportional to 63,421.31, 87,518.00 and 34,739.48 is: 47,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.31 : 87,518.00 = 34,739.48 : x
  2. Step 2: Convert to fraction form
    63,421.31/87,518.00 = 34,739.48/x
  3. Step 3: Cross multiply
    63,421.31x = 87,518.00 × 34,739.48
  4. Step 4: Simplify right side
    63,421.31x = 3,040,330,116.28
  5. Step 5: Solve for x
    x = 3,040,330,116.28/63,421.31
  6. Step 6: Final answer
    x = 47,938.62

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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.