Home / 56,357.56-84,541.99-20,828.22

Finding the Fourth Proportional to 56,357.56, 84,541.99 and 20,828.22

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Solution

The fourth proportional to 56,357.56, 84,541.99 and 20,828.22 is: 31,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,357.56 : 84,541.99 = 20,828.22 : x
  2. Step 2: Convert to fraction form
    56,357.56/84,541.99 = 20,828.22/x
  3. Step 3: Cross multiply
    56,357.56x = 84,541.99 × 20,828.22
  4. Step 4: Simplify right side
    56,357.56x = 1,760,859,062.82
  5. Step 5: Solve for x
    x = 1,760,859,062.82/56,357.56
  6. Step 6: Final answer
    x = 31,244.42

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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.