Home / 38,971.31-58,433.60-18,941.35

Finding the Fourth Proportional to 38,971.31, 58,433.60 and 18,941.35

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Solution

The fourth proportional to 38,971.31, 58,433.60 and 18,941.35 is: 28,400.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,971.31 : 58,433.60 = 18,941.35 : x
  2. Step 2: Convert to fraction form
    38,971.31/58,433.60 = 18,941.35/x
  3. Step 3: Cross multiply
    38,971.31x = 58,433.60 × 18,941.35
  4. Step 4: Simplify right side
    38,971.31x = 1,106,811,247.70
  5. Step 5: Solve for x
    x = 1,106,811,247.70/38,971.31
  6. Step 6: Final answer
    x = 28,400.67

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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.