Home / 45,430.01-68,111.75-21,406.13

Finding the Fourth Proportional to 45,430.01, 68,111.75 and 21,406.13

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Solution

The fourth proportional to 45,430.01, 68,111.75 and 21,406.13 is: 32,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,430.01 : 68,111.75 = 21,406.13 : x
  2. Step 2: Convert to fraction form
    45,430.01/68,111.75 = 21,406.13/x
  3. Step 3: Cross multiply
    45,430.01x = 68,111.75 × 21,406.13
  4. Step 4: Simplify right side
    45,430.01x = 1,458,008,527.44
  5. Step 5: Solve for x
    x = 1,458,008,527.44/45,430.01
  6. Step 6: Final answer
    x = 32,093.51

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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.