Home / 39,274.98-54,199.22-21,370.06

Finding the Fourth Proportional to 39,274.98, 54,199.22 and 21,370.06

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Solution

The fourth proportional to 39,274.98, 54,199.22 and 21,370.06 is: 29,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,274.98 : 54,199.22 = 21,370.06 : x
  2. Step 2: Convert to fraction form
    39,274.98/54,199.22 = 21,370.06/x
  3. Step 3: Cross multiply
    39,274.98x = 54,199.22 × 21,370.06
  4. Step 4: Simplify right side
    39,274.98x = 1,158,240,501.28
  5. Step 5: Solve for x
    x = 1,158,240,501.28/39,274.98
  6. Step 6: Final answer
    x = 29,490.54

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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.