Home / 30,966.36-42,733.33-16,819.30

Finding the Fourth Proportional to 30,966.36, 42,733.33 and 16,819.30

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Solution

The fourth proportional to 30,966.36, 42,733.33 and 16,819.30 is: 23,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,966.36 : 42,733.33 = 16,819.30 : x
  2. Step 2: Convert to fraction form
    30,966.36/42,733.33 = 16,819.30/x
  3. Step 3: Cross multiply
    30,966.36x = 42,733.33 × 16,819.30
  4. Step 4: Simplify right side
    30,966.36x = 718,744,697.27
  5. Step 5: Solve for x
    x = 718,744,697.27/30,966.36
  6. Step 6: Final answer
    x = 23,210.50

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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.