Home / 42,683.36-64,024.20-19,293.44

Finding the Fourth Proportional to 42,683.36, 64,024.20 and 19,293.44

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Solution

The fourth proportional to 42,683.36, 64,024.20 and 19,293.44 is: 28,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,683.36 : 64,024.20 = 19,293.44 : x
  2. Step 2: Convert to fraction form
    42,683.36/64,024.20 = 19,293.44/x
  3. Step 3: Cross multiply
    42,683.36x = 64,024.20 × 19,293.44
  4. Step 4: Simplify right side
    42,683.36x = 1,235,247,061.25
  5. Step 5: Solve for x
    x = 1,235,247,061.25/42,683.36
  6. Step 6: Final answer
    x = 28,939.78

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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.