Home / 35,680.20-53,477.10-15,937.80

Finding the Fourth Proportional to 35,680.20, 53,477.10 and 15,937.80

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Solution

The fourth proportional to 35,680.20, 53,477.10 and 15,937.80 is: 23,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,680.20 : 53,477.10 = 15,937.80 : x
  2. Step 2: Convert to fraction form
    35,680.20/53,477.10 = 15,937.80/x
  3. Step 3: Cross multiply
    35,680.20x = 53,477.10 × 15,937.80
  4. Step 4: Simplify right side
    35,680.20x = 852,307,324.38
  5. Step 5: Solve for x
    x = 852,307,324.38/35,680.20
  6. Step 6: Final answer
    x = 23,887.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.