Home / 39,653.34-59,455.14-20,921.58

Finding the Fourth Proportional to 39,653.34, 59,455.14 and 20,921.58

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Solution

The fourth proportional to 39,653.34, 59,455.14 and 20,921.58 is: 31,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,653.34 : 59,455.14 = 20,921.58 : x
  2. Step 2: Convert to fraction form
    39,653.34/59,455.14 = 20,921.58/x
  3. Step 3: Cross multiply
    39,653.34x = 59,455.14 × 20,921.58
  4. Step 4: Simplify right side
    39,653.34x = 1,243,895,467.92
  5. Step 5: Solve for x
    x = 1,243,895,467.92/39,653.34
  6. Step 6: Final answer
    x = 31,369.25

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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.