Home / 36,436.29-50,283-20,521.28

Finding the Fourth Proportional to 36,436.29, 50,283 and 20,521.28

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Solution

The fourth proportional to 36,436.29, 50,283 and 20,521.28 is: 28,319.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,436.29 : 50,283 = 20,521.28 : x
  2. Step 2: Convert to fraction form
    36,436.29/50,283 = 20,521.28/x
  3. Step 3: Cross multiply
    36,436.29x = 50,283 × 20,521.28
  4. Step 4: Simplify right side
    36,436.29x = 1,031,871,270.83
  5. Step 5: Solve for x
    x = 1,031,871,270.83/36,436.29
  6. Step 6: Final answer
    x = 28,319.88

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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.