Home / 30,378.18-41,925.13-16,954.10

Finding the Fourth Proportional to 30,378.18, 41,925.13 and 16,954.10

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Solution

The fourth proportional to 30,378.18, 41,925.13 and 16,954.10 is: 23,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378.18 : 41,925.13 = 16,954.10 : x
  2. Step 2: Convert to fraction form
    30,378.18/41,925.13 = 16,954.10/x
  3. Step 3: Cross multiply
    30,378.18x = 41,925.13 × 16,954.10
  4. Step 4: Simplify right side
    30,378.18x = 710,802,846.53
  5. Step 5: Solve for x
    x = 710,802,846.53/30,378.18
  6. Step 6: Final answer
    x = 23,398.47

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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.