Home / 30,381.89-41,926.93-16,953

Finding the Fourth Proportional to 30,381.89, 41,926.93 and 16,953

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Solution

The fourth proportional to 30,381.89, 41,926.93 and 16,953 is: 23,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,381.89 : 41,926.93 = 16,953 : x
  2. Step 2: Convert to fraction form
    30,381.89/41,926.93 = 16,953/x
  3. Step 3: Cross multiply
    30,381.89x = 41,926.93 × 16,953
  4. Step 4: Simplify right side
    30,381.89x = 710,787,244.29
  5. Step 5: Solve for x
    x = 710,787,244.29/30,381.89
  6. Step 6: Final answer
    x = 23,395.10

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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.