Home / 38,017.98-56,939.49-30,348.90

Finding the Fourth Proportional to 38,017.98, 56,939.49 and 30,348.90

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Solution

The fourth proportional to 38,017.98, 56,939.49 and 30,348.90 is: 45,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,017.98 : 56,939.49 = 30,348.90 : x
  2. Step 2: Convert to fraction form
    38,017.98/56,939.49 = 30,348.90/x
  3. Step 3: Cross multiply
    38,017.98x = 56,939.49 × 30,348.90
  4. Step 4: Simplify right side
    38,017.98x = 1,728,050,888.06
  5. Step 5: Solve for x
    x = 1,728,050,888.06/38,017.98
  6. Step 6: Final answer
    x = 45,453.52

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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.