Home / 47,040.09-64,912.93-27,920.67

Finding the Fourth Proportional to 47,040.09, 64,912.93 and 27,920.67

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Solution

The fourth proportional to 47,040.09, 64,912.93 and 27,920.67 is: 38,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,040.09 : 64,912.93 = 27,920.67 : x
  2. Step 2: Convert to fraction form
    47,040.09/64,912.93 = 27,920.67/x
  3. Step 3: Cross multiply
    47,040.09x = 64,912.93 × 27,920.67
  4. Step 4: Simplify right side
    47,040.09x = 1,812,412,497.26
  5. Step 5: Solve for x
    x = 1,812,412,497.26/47,040.09
  6. Step 6: Final answer
    x = 38,529.10

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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.