Home / 31,160.45-46,740.74-13,631.64

Finding the Fourth Proportional to 31,160.45, 46,740.74 and 13,631.64

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Solution

The fourth proportional to 31,160.45, 46,740.74 and 13,631.64 is: 20,447.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160.45 : 46,740.74 = 13,631.64 : x
  2. Step 2: Convert to fraction form
    31,160.45/46,740.74 = 13,631.64/x
  3. Step 3: Cross multiply
    31,160.45x = 46,740.74 × 13,631.64
  4. Step 4: Simplify right side
    31,160.45x = 637,152,941.01
  5. Step 5: Solve for x
    x = 637,152,941.01/31,160.45
  6. Step 6: Final answer
    x = 20,447.49

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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.