Home / 38,749.18-58,116.93-10,662.45

Finding the Fourth Proportional to 38,749.18, 58,116.93 and 10,662.45

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Solution

The fourth proportional to 38,749.18, 58,116.93 and 10,662.45 is: 15,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,749.18 : 58,116.93 = 10,662.45 : x
  2. Step 2: Convert to fraction form
    38,749.18/58,116.93 = 10,662.45/x
  3. Step 3: Cross multiply
    38,749.18x = 58,116.93 × 10,662.45
  4. Step 4: Simplify right side
    38,749.18x = 619,668,860.28
  5. Step 5: Solve for x
    x = 619,668,860.28/38,749.18
  6. Step 6: Final answer
    x = 15,991.79

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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.