Home / 34,723.80-47,918.70-18,808.20

Finding the Fourth Proportional to 34,723.80, 47,918.70 and 18,808.20

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Solution

The fourth proportional to 34,723.80, 47,918.70 and 18,808.20 is: 25,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,723.80 : 47,918.70 = 18,808.20 : x
  2. Step 2: Convert to fraction form
    34,723.80/47,918.70 = 18,808.20/x
  3. Step 3: Cross multiply
    34,723.80x = 47,918.70 × 18,808.20
  4. Step 4: Simplify right side
    34,723.80x = 901,264,493.34
  5. Step 5: Solve for x
    x = 901,264,493.34/34,723.80
  6. Step 6: Final answer
    x = 25,955.24

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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.