Home / 35,784.34-53,643.66-12,394.42

Finding the Fourth Proportional to 35,784.34, 53,643.66 and 12,394.42

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Solution

The fourth proportional to 35,784.34, 53,643.66 and 12,394.42 is: 18,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,784.34 : 53,643.66 = 12,394.42 : x
  2. Step 2: Convert to fraction form
    35,784.34/53,643.66 = 12,394.42/x
  3. Step 3: Cross multiply
    35,784.34x = 53,643.66 × 12,394.42
  4. Step 4: Simplify right side
    35,784.34x = 664,882,052.38
  5. Step 5: Solve for x
    x = 664,882,052.38/35,784.34
  6. Step 6: Final answer
    x = 18,580.25

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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.