Home / 40,907.93-56,480.90-31,330.89

Finding the Fourth Proportional to 40,907.93, 56,480.90 and 31,330.89

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Solution

The fourth proportional to 40,907.93, 56,480.90 and 31,330.89 is: 43,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,907.93 : 56,480.90 = 31,330.89 : x
  2. Step 2: Convert to fraction form
    40,907.93/56,480.90 = 31,330.89/x
  3. Step 3: Cross multiply
    40,907.93x = 56,480.90 × 31,330.89
  4. Step 4: Simplify right side
    40,907.93x = 1,769,596,708.35
  5. Step 5: Solve for x
    x = 1,769,596,708.35/40,907.93
  6. Step 6: Final answer
    x = 43,258.04

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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.