Home / 30,837.64-42,556.04-16,690.48

Finding the Fourth Proportional to 30,837.64, 42,556.04 and 16,690.48

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Solution

The fourth proportional to 30,837.64, 42,556.04 and 16,690.48 is: 23,032.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,837.64 : 42,556.04 = 16,690.48 : x
  2. Step 2: Convert to fraction form
    30,837.64/42,556.04 = 16,690.48/x
  3. Step 3: Cross multiply
    30,837.64x = 42,556.04 × 16,690.48
  4. Step 4: Simplify right side
    30,837.64x = 710,280,734.50
  5. Step 5: Solve for x
    x = 710,280,734.50/30,837.64
  6. Step 6: Final answer
    x = 23,032.91

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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.