Home / 30,445.24-45,683.94-21,617.60

Finding the Fourth Proportional to 30,445.24, 45,683.94 and 21,617.60

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Solution

The fourth proportional to 30,445.24, 45,683.94 and 21,617.60 is: 32,437.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,445.24 : 45,683.94 = 21,617.60 : x
  2. Step 2: Convert to fraction form
    30,445.24/45,683.94 = 21,617.60/x
  3. Step 3: Cross multiply
    30,445.24x = 45,683.94 × 21,617.60
  4. Step 4: Simplify right side
    30,445.24x = 987,577,141.34
  5. Step 5: Solve for x
    x = 987,577,141.34/30,445.24
  6. Step 6: Final answer
    x = 32,437.82

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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.