Home / 39,987.51-59,980.97-16,289.49

Finding the Fourth Proportional to 39,987.51, 59,980.97 and 16,289.49

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Solution

The fourth proportional to 39,987.51, 59,980.97 and 16,289.49 is: 24,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,987.51 : 59,980.97 = 16,289.49 : x
  2. Step 2: Convert to fraction form
    39,987.51/59,980.97 = 16,289.49/x
  3. Step 3: Cross multiply
    39,987.51x = 59,980.97 × 16,289.49
  4. Step 4: Simplify right side
    39,987.51x = 977,059,329.56
  5. Step 5: Solve for x
    x = 977,059,329.56/39,987.51
  6. Step 6: Final answer
    x = 24,434.11

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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.