Home / 31,985.74-44,143.55-18,559.99

Finding the Fourth Proportional to 31,985.74, 44,143.55 and 18,559.99

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Solution

The fourth proportional to 31,985.74, 44,143.55 and 18,559.99 is: 25,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,985.74 : 44,143.55 = 18,559.99 : x
  2. Step 2: Convert to fraction form
    31,985.74/44,143.55 = 18,559.99/x
  3. Step 3: Cross multiply
    31,985.74x = 44,143.55 × 18,559.99
  4. Step 4: Simplify right side
    31,985.74x = 819,303,846.56
  5. Step 5: Solve for x
    x = 819,303,846.56/31,985.74
  6. Step 6: Final answer
    x = 25,614.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.