Home / 40,522.40-55,859.64-31,554.08

Finding the Fourth Proportional to 40,522.40, 55,859.64 and 31,554.08

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Solution

The fourth proportional to 40,522.40, 55,859.64 and 31,554.08 is: 43,496.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,522.40 : 55,859.64 = 31,554.08 : x
  2. Step 2: Convert to fraction form
    40,522.40/55,859.64 = 31,554.08/x
  3. Step 3: Cross multiply
    40,522.40x = 55,859.64 × 31,554.08
  4. Step 4: Simplify right side
    40,522.40x = 1,762,599,549.33
  5. Step 5: Solve for x
    x = 1,762,599,549.33/40,522.40
  6. Step 6: Final answer
    x = 43,496.92

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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.