Home / 30,836.64-42,556.55-17,402.99

Finding the Fourth Proportional to 30,836.64, 42,556.55 and 17,402.99

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Solution

The fourth proportional to 30,836.64, 42,556.55 and 17,402.99 is: 24,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,836.64 : 42,556.55 = 17,402.99 : x
  2. Step 2: Convert to fraction form
    30,836.64/42,556.55 = 17,402.99/x
  3. Step 3: Cross multiply
    30,836.64x = 42,556.55 × 17,402.99
  4. Step 4: Simplify right side
    30,836.64x = 740,611,214.08
  5. Step 5: Solve for x
    x = 740,611,214.08/30,836.64
  6. Step 6: Final answer
    x = 24,017.25

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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.