Home / 39,771.36-59,604.12-21,047.40

Finding the Fourth Proportional to 39,771.36, 59,604.12 and 21,047.40

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Solution

The fourth proportional to 39,771.36, 59,604.12 and 21,047.40 is: 31,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,771.36 : 59,604.12 = 21,047.40 : x
  2. Step 2: Convert to fraction form
    39,771.36/59,604.12 = 21,047.40/x
  3. Step 3: Cross multiply
    39,771.36x = 59,604.12 × 21,047.40
  4. Step 4: Simplify right side
    39,771.36x = 1,254,511,755.29
  5. Step 5: Solve for x
    x = 1,254,511,755.29/39,771.36
  6. Step 6: Final answer
    x = 31,543.09

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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.