Home / 39,986.65-59,980.06-10,404.44

Finding the Fourth Proportional to 39,986.65, 59,980.06 and 10,404.44

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Solution

The fourth proportional to 39,986.65, 59,980.06 and 10,404.44 is: 15,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.65 : 59,980.06 = 10,404.44 : x
  2. Step 2: Convert to fraction form
    39,986.65/59,980.06 = 10,404.44/x
  3. Step 3: Cross multiply
    39,986.65x = 59,980.06 × 10,404.44
  4. Step 4: Simplify right side
    39,986.65x = 624,058,883.44
  5. Step 5: Solve for x
    x = 624,058,883.44/39,986.65
  6. Step 6: Final answer
    x = 15,606.68

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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.