Home / 38,749.53-53,474.87-21,752.76

Finding the Fourth Proportional to 38,749.53, 53,474.87 and 21,752.76

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Solution

The fourth proportional to 38,749.53, 53,474.87 and 21,752.76 is: 30,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,749.53 : 53,474.87 = 21,752.76 : x
  2. Step 2: Convert to fraction form
    38,749.53/53,474.87 = 21,752.76/x
  3. Step 3: Cross multiply
    38,749.53x = 53,474.87 × 21,752.76
  4. Step 4: Simplify right side
    38,749.53x = 1,163,225,904.38
  5. Step 5: Solve for x
    x = 1,163,225,904.38/38,749.53
  6. Step 6: Final answer
    x = 30,019.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.