Home / 39,782.07-59,673.24-13,505.40

Finding the Fourth Proportional to 39,782.07, 59,673.24 and 13,505.40

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Solution

The fourth proportional to 39,782.07, 59,673.24 and 13,505.40 is: 20,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,782.07 : 59,673.24 = 13,505.40 : x
  2. Step 2: Convert to fraction form
    39,782.07/59,673.24 = 13,505.40/x
  3. Step 3: Cross multiply
    39,782.07x = 59,673.24 × 13,505.40
  4. Step 4: Simplify right side
    39,782.07x = 805,910,975.50
  5. Step 5: Solve for x
    x = 805,910,975.50/39,782.07
  6. Step 6: Final answer
    x = 20,258.15

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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.