Home / 35,371.84-53,268.40-30,809.92

Finding the Fourth Proportional to 35,371.84, 53,268.40 and 30,809.92

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Solution

The fourth proportional to 35,371.84, 53,268.40 and 30,809.92 is: 46,398.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,371.84 : 53,268.40 = 30,809.92 : x
  2. Step 2: Convert to fraction form
    35,371.84/53,268.40 = 30,809.92/x
  3. Step 3: Cross multiply
    35,371.84x = 53,268.40 × 30,809.92
  4. Step 4: Simplify right side
    35,371.84x = 1,641,195,142.53
  5. Step 5: Solve for x
    x = 1,641,195,142.53/35,371.84
  6. Step 6: Final answer
    x = 46,398.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.