Home / 56,412.12-84,623.80-20,882.94

Finding the Fourth Proportional to 56,412.12, 84,623.80 and 20,882.94

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Solution

The fourth proportional to 56,412.12, 84,623.80 and 20,882.94 is: 31,326.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,412.12 : 84,623.80 = 20,882.94 : x
  2. Step 2: Convert to fraction form
    56,412.12/84,623.80 = 20,882.94/x
  3. Step 3: Cross multiply
    56,412.12x = 84,623.80 × 20,882.94
  4. Step 4: Simplify right side
    56,412.12x = 1,767,193,737.97
  5. Step 5: Solve for x
    x = 1,767,193,737.97/56,412.12
  6. Step 6: Final answer
    x = 31,326.49

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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.