Home / 38,504.10-57,758.19-12,210.90

Finding the Fourth Proportional to 38,504.10, 57,758.19 and 12,210.90

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Solution

The fourth proportional to 38,504.10, 57,758.19 and 12,210.90 is: 18,317.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,504.10 : 57,758.19 = 12,210.90 : x
  2. Step 2: Convert to fraction form
    38,504.10/57,758.19 = 12,210.90/x
  3. Step 3: Cross multiply
    38,504.10x = 57,758.19 × 12,210.90
  4. Step 4: Simplify right side
    38,504.10x = 705,279,482.27
  5. Step 5: Solve for x
    x = 705,279,482.27/38,504.10
  6. Step 6: Final answer
    x = 18,317.00

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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.