Home / 29,931.20-44,896.80-19,433.60

Finding the Fourth Proportional to 29,931.20, 44,896.80 and 19,433.60

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Solution

The fourth proportional to 29,931.20, 44,896.80 and 19,433.60 is: 29,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,931.20 : 44,896.80 = 19,433.60 : x
  2. Step 2: Convert to fraction form
    29,931.20/44,896.80 = 19,433.60/x
  3. Step 3: Cross multiply
    29,931.20x = 44,896.80 × 19,433.60
  4. Step 4: Simplify right side
    29,931.20x = 872,506,452.48
  5. Step 5: Solve for x
    x = 872,506,452.48/29,931.20
  6. Step 6: Final answer
    x = 29,150.40

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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.