Home / 38,880.72-58,333.32-13,920.24

Finding the Fourth Proportional to 38,880.72, 58,333.32 and 13,920.24

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Solution

The fourth proportional to 38,880.72, 58,333.32 and 13,920.24 is: 20,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,880.72 : 58,333.32 = 13,920.24 : x
  2. Step 2: Convert to fraction form
    38,880.72/58,333.32 = 13,920.24/x
  3. Step 3: Cross multiply
    38,880.72x = 58,333.32 × 13,920.24
  4. Step 4: Simplify right side
    38,880.72x = 812,013,814.40
  5. Step 5: Solve for x
    x = 812,013,814.40/38,880.72
  6. Step 6: Final answer
    x = 20,884.74

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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.