Home / 38,970.76-58,475.34-18,195.72

Finding the Fourth Proportional to 38,970.76, 58,475.34 and 18,195.72

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Solution

The fourth proportional to 38,970.76, 58,475.34 and 18,195.72 is: 27,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,970.76 : 58,475.34 = 18,195.72 : x
  2. Step 2: Convert to fraction form
    38,970.76/58,475.34 = 18,195.72/x
  3. Step 3: Cross multiply
    38,970.76x = 58,475.34 × 18,195.72
  4. Step 4: Simplify right side
    38,970.76x = 1,064,000,913.54
  5. Step 5: Solve for x
    x = 1,064,000,913.54/38,970.76
  6. Step 6: Final answer
    x = 27,302.54

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1.5x scale

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.