Home / 43,122.46-64,683.69-19,679.26

Finding the Fourth Proportional to 43,122.46, 64,683.69 and 19,679.26

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Solution

The fourth proportional to 43,122.46, 64,683.69 and 19,679.26 is: 29,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,122.46 : 64,683.69 = 19,679.26 : x
  2. Step 2: Convert to fraction form
    43,122.46/64,683.69 = 19,679.26/x
  3. Step 3: Cross multiply
    43,122.46x = 64,683.69 × 19,679.26
  4. Step 4: Simplify right side
    43,122.46x = 1,272,927,153.27
  5. Step 5: Solve for x
    x = 1,272,927,153.27/43,122.46
  6. Step 6: Final answer
    x = 29,518.89

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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.