Home / 20,707.41-31,035.18-16,307.49

Finding the Fourth Proportional to 20,707.41, 31,035.18 and 16,307.49

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Solution

The fourth proportional to 20,707.41, 31,035.18 and 16,307.49 is: 24,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,707.41 : 31,035.18 = 16,307.49 : x
  2. Step 2: Convert to fraction form
    20,707.41/31,035.18 = 16,307.49/x
  3. Step 3: Cross multiply
    20,707.41x = 31,035.18 × 16,307.49
  4. Step 4: Simplify right side
    20,707.41x = 506,105,887.50
  5. Step 5: Solve for x
    x = 506,105,887.50/20,707.41
  6. Step 6: Final answer
    x = 24,440.81

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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.