Home / 35,518.25-49,015.29-19,385.71

Finding the Fourth Proportional to 35,518.25, 49,015.29 and 19,385.71

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Solution

The fourth proportional to 35,518.25, 49,015.29 and 19,385.71 is: 26,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,518.25 : 49,015.29 = 19,385.71 : x
  2. Step 2: Convert to fraction form
    35,518.25/49,015.29 = 19,385.71/x
  3. Step 3: Cross multiply
    35,518.25x = 49,015.29 × 19,385.71
  4. Step 4: Simplify right side
    35,518.25x = 950,196,038.62
  5. Step 5: Solve for x
    x = 950,196,038.62/35,518.25
  6. Step 6: Final answer
    x = 26,752.33

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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.