Home / 30,837.60-42,556.04-17,409.40

Finding the Fourth Proportional to 30,837.60, 42,556.04 and 17,409.40

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Solution

The fourth proportional to 30,837.60, 42,556.04 and 17,409.40 is: 24,025.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,837.60 : 42,556.04 = 17,409.40 : x
  2. Step 2: Convert to fraction form
    30,837.60/42,556.04 = 17,409.40/x
  3. Step 3: Cross multiply
    30,837.60x = 42,556.04 × 17,409.40
  4. Step 4: Simplify right side
    30,837.60x = 740,875,122.78
  5. Step 5: Solve for x
    x = 740,875,122.78/30,837.60
  6. Step 6: Final answer
    x = 24,025.06

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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.