Home / 31,258.84-46,841.25-12,520.30

Finding the Fourth Proportional to 31,258.84, 46,841.25 and 12,520.30

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Solution

The fourth proportional to 31,258.84, 46,841.25 and 12,520.30 is: 18,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,258.84 : 46,841.25 = 12,520.30 : x
  2. Step 2: Convert to fraction form
    31,258.84/46,841.25 = 12,520.30/x
  3. Step 3: Cross multiply
    31,258.84x = 46,841.25 × 12,520.30
  4. Step 4: Simplify right side
    31,258.84x = 586,466,502.38
  5. Step 5: Solve for x
    x = 586,466,502.38/31,258.84
  6. Step 6: Final answer
    x = 18,761.62

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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.