Home / 39,987.39-60,019.97-19,225.47

Finding the Fourth Proportional to 39,987.39, 60,019.97 and 19,225.47

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Solution

The fourth proportional to 39,987.39, 60,019.97 and 19,225.47 is: 28,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,987.39 : 60,019.97 = 19,225.47 : x
  2. Step 2: Convert to fraction form
    39,987.39/60,019.97 = 19,225.47/x
  3. Step 3: Cross multiply
    39,987.39x = 60,019.97 × 19,225.47
  4. Step 4: Simplify right side
    39,987.39x = 1,153,912,036.51
  5. Step 5: Solve for x
    x = 1,153,912,036.51/39,987.39
  6. Step 6: Final answer
    x = 28,856.90

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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.