Home / 39,744.34-59,579.45-13,430.68

Finding the Fourth Proportional to 39,744.34, 59,579.45 and 13,430.68

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Solution

The fourth proportional to 39,744.34, 59,579.45 and 13,430.68 is: 20,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,744.34 : 59,579.45 = 13,430.68 : x
  2. Step 2: Convert to fraction form
    39,744.34/59,579.45 = 13,430.68/x
  3. Step 3: Cross multiply
    39,744.34x = 59,579.45 × 13,430.68
  4. Step 4: Simplify right side
    39,744.34x = 800,192,361.79
  5. Step 5: Solve for x
    x = 800,192,361.79/39,744.34
  6. Step 6: Final answer
    x = 20,133.49

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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.