Home / 33,285.24-45,931.50-19,138.68

Finding the Fourth Proportional to 33,285.24, 45,931.50 and 19,138.68

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Solution

The fourth proportional to 33,285.24, 45,931.50 and 19,138.68 is: 26,410.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,285.24 : 45,931.50 = 19,138.68 : x
  2. Step 2: Convert to fraction form
    33,285.24/45,931.50 = 19,138.68/x
  3. Step 3: Cross multiply
    33,285.24x = 45,931.50 × 19,138.68
  4. Step 4: Simplify right side
    33,285.24x = 879,068,280.42
  5. Step 5: Solve for x
    x = 879,068,280.42/33,285.24
  6. Step 6: Final answer
    x = 26,410.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.