Home / 31,158.95-46,738.49-13,630.14

Finding the Fourth Proportional to 31,158.95, 46,738.49 and 13,630.14

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Solution

The fourth proportional to 31,158.95, 46,738.49 and 13,630.14 is: 20,445.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,158.95 : 46,738.49 = 13,630.14 : x
  2. Step 2: Convert to fraction form
    31,158.95/46,738.49 = 13,630.14/x
  3. Step 3: Cross multiply
    31,158.95x = 46,738.49 × 13,630.14
  4. Step 4: Simplify right side
    31,158.95x = 637,052,093.94
  5. Step 5: Solve for x
    x = 637,052,093.94/31,158.95
  6. Step 6: Final answer
    x = 20,445.24

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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.