Home / 34,383.04-47,440.32-20,034.16

Finding the Fourth Proportional to 34,383.04, 47,440.32 and 20,034.16

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Solution

The fourth proportional to 34,383.04, 47,440.32 and 20,034.16 is: 27,642.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,383.04 : 47,440.32 = 20,034.16 : x
  2. Step 2: Convert to fraction form
    34,383.04/47,440.32 = 20,034.16/x
  3. Step 3: Cross multiply
    34,383.04x = 47,440.32 × 20,034.16
  4. Step 4: Simplify right side
    34,383.04x = 950,426,961.33
  5. Step 5: Solve for x
    x = 950,426,961.33/34,383.04
  6. Step 6: Final answer
    x = 27,642.32

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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.