Home / 39,392.40-59,076.36-13,090.80

Finding the Fourth Proportional to 39,392.40, 59,076.36 and 13,090.80

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Solution

The fourth proportional to 39,392.40, 59,076.36 and 13,090.80 is: 19,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,392.40 : 59,076.36 = 13,090.80 : x
  2. Step 2: Convert to fraction form
    39,392.40/59,076.36 = 13,090.80/x
  3. Step 3: Cross multiply
    39,392.40x = 59,076.36 × 13,090.80
  4. Step 4: Simplify right side
    39,392.40x = 773,356,813.49
  5. Step 5: Solve for x
    x = 773,356,813.49/39,392.40
  6. Step 6: Final answer
    x = 19,632.13

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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.