Home / 39,612.40-59,426.09-15,921.79

Finding the Fourth Proportional to 39,612.40, 59,426.09 and 15,921.79

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Solution

The fourth proportional to 39,612.40, 59,426.09 and 15,921.79 is: 23,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,612.40 : 59,426.09 = 15,921.79 : x
  2. Step 2: Convert to fraction form
    39,612.40/59,426.09 = 15,921.79/x
  3. Step 3: Cross multiply
    39,612.40x = 59,426.09 × 15,921.79
  4. Step 4: Simplify right side
    39,612.40x = 946,169,348.76
  5. Step 5: Solve for x
    x = 946,169,348.76/39,612.40
  6. Step 6: Final answer
    x = 23,885.69

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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.