Home / 30,416.52-41,973.76-16,987.68

Finding the Fourth Proportional to 30,416.52, 41,973.76 and 16,987.68

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Solution

The fourth proportional to 30,416.52, 41,973.76 and 16,987.68 is: 23,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416.52 : 41,973.76 = 16,987.68 : x
  2. Step 2: Convert to fraction form
    30,416.52/41,973.76 = 16,987.68/x
  3. Step 3: Cross multiply
    30,416.52x = 41,973.76 × 16,987.68
  4. Step 4: Simplify right side
    30,416.52x = 713,036,803.28
  5. Step 5: Solve for x
    x = 713,036,803.28/30,416.52
  6. Step 6: Final answer
    x = 23,442.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.