Home / 36,434.13-50,283.81-20,521.68

Finding the Fourth Proportional to 36,434.13, 50,283.81 and 20,521.68

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Solution

The fourth proportional to 36,434.13, 50,283.81 and 20,521.68 is: 28,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,434.13 : 50,283.81 = 20,521.68 : x
  2. Step 2: Convert to fraction form
    36,434.13/50,283.81 = 20,521.68/x
  3. Step 3: Cross multiply
    36,434.13x = 50,283.81 × 20,521.68
  4. Step 4: Simplify right side
    36,434.13x = 1,031,908,258.00
  5. Step 5: Solve for x
    x = 1,031,908,258.00/36,434.13
  6. Step 6: Final answer
    x = 28,322.57

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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.