Home / 35,278.80-48,684.70-19,363.28

Finding the Fourth Proportional to 35,278.80, 48,684.70 and 19,363.28

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Solution

The fourth proportional to 35,278.80, 48,684.70 and 19,363.28 is: 26,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,278.80 : 48,684.70 = 19,363.28 : x
  2. Step 2: Convert to fraction form
    35,278.80/48,684.70 = 19,363.28/x
  3. Step 3: Cross multiply
    35,278.80x = 48,684.70 × 19,363.28
  4. Step 4: Simplify right side
    35,278.80x = 942,695,477.82
  5. Step 5: Solve for x
    x = 942,695,477.82/35,278.80
  6. Step 6: Final answer
    x = 26,721.30

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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.