Home / 35,440.20-53,117.10-15,697.80

Finding the Fourth Proportional to 35,440.20, 53,117.10 and 15,697.80

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Solution

The fourth proportional to 35,440.20, 53,117.10 and 15,697.80 is: 23,527.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,440.20 : 53,117.10 = 15,697.80 : x
  2. Step 2: Convert to fraction form
    35,440.20/53,117.10 = 15,697.80/x
  3. Step 3: Cross multiply
    35,440.20x = 53,117.10 × 15,697.80
  4. Step 4: Simplify right side
    35,440.20x = 833,821,612.38
  5. Step 5: Solve for x
    x = 833,821,612.38/35,440.20
  6. Step 6: Final answer
    x = 23,527.57

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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.