Home / 49,278.80-68,008.32-28,058.15

Finding the Fourth Proportional to 49,278.80, 68,008.32 and 28,058.15

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Solution

The fourth proportional to 49,278.80, 68,008.32 and 28,058.15 is: 38,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,278.80 : 68,008.32 = 28,058.15 : x
  2. Step 2: Convert to fraction form
    49,278.80/68,008.32 = 28,058.15/x
  3. Step 3: Cross multiply
    49,278.80x = 68,008.32 × 28,058.15
  4. Step 4: Simplify right side
    49,278.80x = 1,908,187,303.77
  5. Step 5: Solve for x
    x = 1,908,187,303.77/49,278.80
  6. Step 6: Final answer
    x = 38,722.28

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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.