Home / 35,279.80-48,686.06-19,364.30

Finding the Fourth Proportional to 35,279.80, 48,686.06 and 19,364.30

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Solution

The fourth proportional to 35,279.80, 48,686.06 and 19,364.30 is: 26,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,279.80 : 48,686.06 = 19,364.30 : x
  2. Step 2: Convert to fraction form
    35,279.80/48,686.06 = 19,364.30/x
  3. Step 3: Cross multiply
    35,279.80x = 48,686.06 × 19,364.30
  4. Step 4: Simplify right side
    35,279.80x = 942,771,471.66
  5. Step 5: Solve for x
    x = 942,771,471.66/35,279.80
  6. Step 6: Final answer
    x = 26,722.70

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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.