Home / 34,739.55-47,922.95-21,971.22

Finding the Fourth Proportional to 34,739.55, 47,922.95 and 21,971.22

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Solution

The fourth proportional to 34,739.55, 47,922.95 and 21,971.22 is: 30,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,739.55 : 47,922.95 = 21,971.22 : x
  2. Step 2: Convert to fraction form
    34,739.55/47,922.95 = 21,971.22/x
  3. Step 3: Cross multiply
    34,739.55x = 47,922.95 × 21,971.22
  4. Step 4: Simplify right side
    34,739.55x = 1,052,925,567.64
  5. Step 5: Solve for x
    x = 1,052,925,567.64/34,739.55
  6. Step 6: Final answer
    x = 30,309.13

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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.