Home / 39,979.73-59,971.13-10,396.80

Finding the Fourth Proportional to 39,979.73, 59,971.13 and 10,396.80

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Solution

The fourth proportional to 39,979.73, 59,971.13 and 10,396.80 is: 15,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,979.73 : 59,971.13 = 10,396.80 : x
  2. Step 2: Convert to fraction form
    39,979.73/59,971.13 = 10,396.80/x
  3. Step 3: Cross multiply
    39,979.73x = 59,971.13 × 10,396.80
  4. Step 4: Simplify right side
    39,979.73x = 623,507,792.40
  5. Step 5: Solve for x
    x = 623,507,792.40/39,979.73
  6. Step 6: Final answer
    x = 15,595.60

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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.