Home / 31,390.04-43,318.08-17,050.16

Finding the Fourth Proportional to 31,390.04, 43,318.08 and 17,050.16

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Solution

The fourth proportional to 31,390.04, 43,318.08 and 17,050.16 is: 23,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,390.04 : 43,318.08 = 17,050.16 : x
  2. Step 2: Convert to fraction form
    31,390.04/43,318.08 = 17,050.16/x
  3. Step 3: Cross multiply
    31,390.04x = 43,318.08 × 17,050.16
  4. Step 4: Simplify right side
    31,390.04x = 738,580,194.89
  5. Step 5: Solve for x
    x = 738,580,194.89/31,390.04
  6. Step 6: Final answer
    x = 23,529.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.