Home / 45,564.74-68,370.16-30,742.50

Finding the Fourth Proportional to 45,564.74, 68,370.16 and 30,742.50

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Solution

The fourth proportional to 45,564.74, 68,370.16 and 30,742.50 is: 46,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,564.74 : 68,370.16 = 30,742.50 : x
  2. Step 2: Convert to fraction form
    45,564.74/68,370.16 = 30,742.50/x
  3. Step 3: Cross multiply
    45,564.74x = 68,370.16 × 30,742.50
  4. Step 4: Simplify right side
    45,564.74x = 2,101,869,643.80
  5. Step 5: Solve for x
    x = 2,101,869,643.80/45,564.74
  6. Step 6: Final answer
    x = 46,129.30

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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.