Home / 29,421.06-40,589.76-21,782.52

Finding the Fourth Proportional to 29,421.06, 40,589.76 and 21,782.52

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Solution

The fourth proportional to 29,421.06, 40,589.76 and 21,782.52 is: 30,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421.06 : 40,589.76 = 21,782.52 : x
  2. Step 2: Convert to fraction form
    29,421.06/40,589.76 = 21,782.52/x
  3. Step 3: Cross multiply
    29,421.06x = 40,589.76 × 21,782.52
  4. Step 4: Simplify right side
    29,421.06x = 884,147,259.00
  5. Step 5: Solve for x
    x = 884,147,259.00/29,421.06
  6. Step 6: Final answer
    x = 30,051.51

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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.