Home / 38,689.80-58,056.30-16,499.40

Finding the Fourth Proportional to 38,689.80, 58,056.30 and 16,499.40

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Solution

The fourth proportional to 38,689.80, 58,056.30 and 16,499.40 is: 24,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,689.80 : 58,056.30 = 16,499.40 : x
  2. Step 2: Convert to fraction form
    38,689.80/58,056.30 = 16,499.40/x
  3. Step 3: Cross multiply
    38,689.80x = 58,056.30 × 16,499.40
  4. Step 4: Simplify right side
    38,689.80x = 957,894,116.22
  5. Step 5: Solve for x
    x = 957,894,116.22/38,689.80
  6. Step 6: Final answer
    x = 24,758.31

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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.