Home / 30,820.56-42,532.25-16,673.40

Finding the Fourth Proportional to 30,820.56, 42,532.25 and 16,673.40

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Solution

The fourth proportional to 30,820.56, 42,532.25 and 16,673.40 is: 23,009.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,820.56 : 42,532.25 = 16,673.40 : x
  2. Step 2: Convert to fraction form
    30,820.56/42,532.25 = 16,673.40/x
  3. Step 3: Cross multiply
    30,820.56x = 42,532.25 × 16,673.40
  4. Step 4: Simplify right side
    30,820.56x = 709,157,217.15
  5. Step 5: Solve for x
    x = 709,157,217.15/30,820.56
  6. Step 6: Final answer
    x = 23,009.23

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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.