Home / 56,189.42-84,296.45-21,129.07

Finding the Fourth Proportional to 56,189.42, 84,296.45 and 21,129.07

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Solution

The fourth proportional to 56,189.42, 84,296.45 and 21,129.07 is: 31,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,189.42 : 84,296.45 = 21,129.07 : x
  2. Step 2: Convert to fraction form
    56,189.42/84,296.45 = 21,129.07/x
  3. Step 3: Cross multiply
    56,189.42x = 84,296.45 × 21,129.07
  4. Step 4: Simplify right side
    56,189.42x = 1,781,105,276.42
  5. Step 5: Solve for x
    x = 1,781,105,276.42/56,189.42
  6. Step 6: Final answer
    x = 31,698.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.