Home / 31,227.12-46,840.95-12,508.74

Finding the Fourth Proportional to 31,227.12, 46,840.95 and 12,508.74

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Solution

The fourth proportional to 31,227.12, 46,840.95 and 12,508.74 is: 18,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,227.12 : 46,840.95 = 12,508.74 : x
  2. Step 2: Convert to fraction form
    31,227.12/46,840.95 = 12,508.74/x
  3. Step 3: Cross multiply
    31,227.12x = 46,840.95 × 12,508.74
  4. Step 4: Simplify right side
    31,227.12x = 585,921,264.90
  5. Step 5: Solve for x
    x = 585,921,264.90/31,227.12
  6. Step 6: Final answer
    x = 18,763.22

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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.