Home / 38,931.93-58,416.37-20,202

Finding the Fourth Proportional to 38,931.93, 58,416.37 and 20,202

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Solution

The fourth proportional to 38,931.93, 58,416.37 and 20,202 is: 30,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,931.93 : 58,416.37 = 20,202 : x
  2. Step 2: Convert to fraction form
    38,931.93/58,416.37 = 20,202/x
  3. Step 3: Cross multiply
    38,931.93x = 58,416.37 × 20,202
  4. Step 4: Simplify right side
    38,931.93x = 1,180,127,506.74
  5. Step 5: Solve for x
    x = 1,180,127,506.74/38,931.93
  6. Step 6: Final answer
    x = 30,312.59

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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.