Home / 30,860.37-42,587.21-16,713.21

Finding the Fourth Proportional to 30,860.37, 42,587.21 and 16,713.21

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Solution

The fourth proportional to 30,860.37, 42,587.21 and 16,713.21 is: 23,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.37 : 42,587.21 = 16,713.21 : x
  2. Step 2: Convert to fraction form
    30,860.37/42,587.21 = 16,713.21/x
  3. Step 3: Cross multiply
    30,860.37x = 42,587.21 × 16,713.21
  4. Step 4: Simplify right side
    30,860.37x = 711,768,984.04
  5. Step 5: Solve for x
    x = 711,768,984.04/30,860.37
  6. Step 6: Final answer
    x = 23,064.18

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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.