Home / 56,518.67-84,778.01-21,458.34

Finding the Fourth Proportional to 56,518.67, 84,778.01 and 21,458.34

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Solution

The fourth proportional to 56,518.67, 84,778.01 and 21,458.34 is: 32,187.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,518.67 : 84,778.01 = 21,458.34 : x
  2. Step 2: Convert to fraction form
    56,518.67/84,778.01 = 21,458.34/x
  3. Step 3: Cross multiply
    56,518.67x = 84,778.01 × 21,458.34
  4. Step 4: Simplify right side
    56,518.67x = 1,819,195,255.81
  5. Step 5: Solve for x
    x = 1,819,195,255.81/56,518.67
  6. Step 6: Final answer
    x = 32,187.51

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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.