Home / 38,438.33-53,044.95-21,443.67

Finding the Fourth Proportional to 38,438.33, 53,044.95 and 21,443.67

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Solution

The fourth proportional to 38,438.33, 53,044.95 and 21,443.67 is: 29,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,438.33 : 53,044.95 = 21,443.67 : x
  2. Step 2: Convert to fraction form
    38,438.33/53,044.95 = 21,443.67/x
  3. Step 3: Cross multiply
    38,438.33x = 53,044.95 × 21,443.67
  4. Step 4: Simplify right side
    38,438.33x = 1,137,478,402.97
  5. Step 5: Solve for x
    x = 1,137,478,402.97/38,438.33
  6. Step 6: Final answer
    x = 29,592.30

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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.