Home / 38,172.87-52,675.95-21,176.45

Finding the Fourth Proportional to 38,172.87, 52,675.95 and 21,176.45

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Solution

The fourth proportional to 38,172.87, 52,675.95 and 21,176.45 is: 29,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,172.87 : 52,675.95 = 21,176.45 : x
  2. Step 2: Convert to fraction form
    38,172.87/52,675.95 = 21,176.45/x
  3. Step 3: Cross multiply
    38,172.87x = 52,675.95 × 21,176.45
  4. Step 4: Simplify right side
    38,172.87x = 1,115,489,358.00
  5. Step 5: Solve for x
    x = 1,115,489,358.00/38,172.87
  6. Step 6: Final answer
    x = 29,222.05

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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.