Home / 35,417.25-53,135.01-13,230.78

Finding the Fourth Proportional to 35,417.25, 53,135.01 and 13,230.78

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Solution

The fourth proportional to 35,417.25, 53,135.01 and 13,230.78 is: 19,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,417.25 : 53,135.01 = 13,230.78 : x
  2. Step 2: Convert to fraction form
    35,417.25/53,135.01 = 13,230.78/x
  3. Step 3: Cross multiply
    35,417.25x = 53,135.01 × 13,230.78
  4. Step 4: Simplify right side
    35,417.25x = 703,017,627.61
  5. Step 5: Solve for x
    x = 703,017,627.61/35,417.25
  6. Step 6: Final answer
    x = 19,849.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.