Home / 38,931.64-58,389.26-13,973.11

Finding the Fourth Proportional to 38,931.64, 58,389.26 and 13,973.11

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Solution

The fourth proportional to 38,931.64, 58,389.26 and 13,973.11 is: 20,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,931.64 : 58,389.26 = 13,973.11 : x
  2. Step 2: Convert to fraction form
    38,931.64/58,389.26 = 13,973.11/x
  3. Step 3: Cross multiply
    38,931.64x = 58,389.26 × 13,973.11
  4. Step 4: Simplify right side
    38,931.64x = 815,879,336.96
  5. Step 5: Solve for x
    x = 815,879,336.96/38,931.64
  6. Step 6: Final answer
    x = 20,956.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.