Home / 35,047.21-48,364.53-19,939.55

Finding the Fourth Proportional to 35,047.21, 48,364.53 and 19,939.55

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Solution

The fourth proportional to 35,047.21, 48,364.53 and 19,939.55 is: 27,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,047.21 : 48,364.53 = 19,939.55 : x
  2. Step 2: Convert to fraction form
    35,047.21/48,364.53 = 19,939.55/x
  3. Step 3: Cross multiply
    35,047.21x = 48,364.53 × 19,939.55
  4. Step 4: Simplify right side
    35,047.21x = 964,366,647.57
  5. Step 5: Solve for x
    x = 964,366,647.57/35,047.21
  6. Step 6: Final answer
    x = 27,516.22

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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.