Home / 30,915.74-46,341.23-14,286.68

Finding the Fourth Proportional to 30,915.74, 46,341.23 and 14,286.68

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Solution

The fourth proportional to 30,915.74, 46,341.23 and 14,286.68 is: 21,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,915.74 : 46,341.23 = 14,286.68 : x
  2. Step 2: Convert to fraction form
    30,915.74/46,341.23 = 14,286.68/x
  3. Step 3: Cross multiply
    30,915.74x = 46,341.23 × 14,286.68
  4. Step 4: Simplify right side
    30,915.74x = 662,062,020.68
  5. Step 5: Solve for x
    x = 662,062,020.68/30,915.74
  6. Step 6: Final answer
    x = 21,415.05

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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.