Home / 38,210.75-52,735.70-21,443.75

Finding the Fourth Proportional to 38,210.75, 52,735.70 and 21,443.75

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Solution

The fourth proportional to 38,210.75, 52,735.70 and 21,443.75 is: 29,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,210.75 : 52,735.70 = 21,443.75 : x
  2. Step 2: Convert to fraction form
    38,210.75/52,735.70 = 21,443.75/x
  3. Step 3: Cross multiply
    38,210.75x = 52,735.70 × 21,443.75
  4. Step 4: Simplify right side
    38,210.75x = 1,130,851,166.88
  5. Step 5: Solve for x
    x = 1,130,851,166.88/38,210.75
  6. Step 6: Final answer
    x = 29,595.11

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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.