Home / 38,290.02-57,395.84-13,309.57

Finding the Fourth Proportional to 38,290.02, 57,395.84 and 13,309.57

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Solution

The fourth proportional to 38,290.02, 57,395.84 and 13,309.57 is: 19,950.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290.02 : 57,395.84 = 13,309.57 : x
  2. Step 2: Convert to fraction form
    38,290.02/57,395.84 = 13,309.57/x
  3. Step 3: Cross multiply
    38,290.02x = 57,395.84 × 13,309.57
  4. Step 4: Simplify right side
    38,290.02x = 763,913,707.40
  5. Step 5: Solve for x
    x = 763,913,707.40/38,290.02
  6. Step 6: Final answer
    x = 19,950.73

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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.