Home / 39,939.42-59,921.28-18,895.62

Finding the Fourth Proportional to 39,939.42, 59,921.28 and 18,895.62

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Solution

The fourth proportional to 39,939.42, 59,921.28 and 18,895.62 is: 28,349.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.42 : 59,921.28 = 18,895.62 : x
  2. Step 2: Convert to fraction form
    39,939.42/59,921.28 = 18,895.62/x
  3. Step 3: Cross multiply
    39,939.42x = 59,921.28 × 18,895.62
  4. Step 4: Simplify right side
    39,939.42x = 1,132,249,736.79
  5. Step 5: Solve for x
    x = 1,132,249,736.79/39,939.42
  6. Step 6: Final answer
    x = 28,349.18

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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.