Home / 38,690.02-58,056.50-20,920.24

Finding the Fourth Proportional to 38,690.02, 58,056.50 and 20,920.24

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Solution

The fourth proportional to 38,690.02, 58,056.50 and 20,920.24 is: 31,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690.02 : 58,056.50 = 20,920.24 : x
  2. Step 2: Convert to fraction form
    38,690.02/58,056.50 = 20,920.24/x
  3. Step 3: Cross multiply
    38,690.02x = 58,056.50 × 20,920.24
  4. Step 4: Simplify right side
    38,690.02x = 1,214,555,913.56
  5. Step 5: Solve for x
    x = 1,214,555,913.56/38,690.02
  6. Step 6: Final answer
    x = 31,391.97

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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.