Home / 56,128.16-84,167.46-21,043.22

Finding the Fourth Proportional to 56,128.16, 84,167.46 and 21,043.22

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Solution

The fourth proportional to 56,128.16, 84,167.46 and 21,043.22 is: 31,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,128.16 : 84,167.46 = 21,043.22 : x
  2. Step 2: Convert to fraction form
    56,128.16/84,167.46 = 21,043.22/x
  3. Step 3: Cross multiply
    56,128.16x = 84,167.46 × 21,043.22
  4. Step 4: Simplify right side
    56,128.16x = 1,771,154,377.62
  5. Step 5: Solve for x
    x = 1,771,154,377.62/56,128.16
  6. Step 6: Final answer
    x = 31,555.54

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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.