Home / 30,417.48-45,626.26-21,027.96

Finding the Fourth Proportional to 30,417.48, 45,626.26 and 21,027.96

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Solution

The fourth proportional to 30,417.48, 45,626.26 and 21,027.96 is: 31,541.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417.48 : 45,626.26 = 21,027.96 : x
  2. Step 2: Convert to fraction form
    30,417.48/45,626.26 = 21,027.96/x
  3. Step 3: Cross multiply
    30,417.48x = 45,626.26 × 21,027.96
  4. Step 4: Simplify right side
    30,417.48x = 959,427,170.23
  5. Step 5: Solve for x
    x = 959,427,170.23/30,417.48
  6. Step 6: Final answer
    x = 31,541.97

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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.