Home / 38,435.33-53,040.81-21,440.67

Finding the Fourth Proportional to 38,435.33, 53,040.81 and 21,440.67

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Solution

The fourth proportional to 38,435.33, 53,040.81 and 21,440.67 is: 29,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,435.33 : 53,040.81 = 21,440.67 : x
  2. Step 2: Convert to fraction form
    38,435.33/53,040.81 = 21,440.67/x
  3. Step 3: Cross multiply
    38,435.33x = 53,040.81 × 21,440.67
  4. Step 4: Simplify right side
    38,435.33x = 1,137,230,503.74
  5. Step 5: Solve for x
    x = 1,137,230,503.74/38,435.33
  6. Step 6: Final answer
    x = 29,588.16

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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.