Home / 30,820.92-42,532.95-16,673.76

Finding the Fourth Proportional to 30,820.92, 42,532.95 and 16,673.76

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Solution

The fourth proportional to 30,820.92, 42,532.95 and 16,673.76 is: 23,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,820.92 : 42,532.95 = 16,673.76 : x
  2. Step 2: Convert to fraction form
    30,820.92/42,532.95 = 16,673.76/x
  3. Step 3: Cross multiply
    30,820.92x = 42,532.95 × 16,673.76
  4. Step 4: Simplify right side
    30,820.92x = 709,184,200.39
  5. Step 5: Solve for x
    x = 709,184,200.39/30,820.92
  6. Step 6: Final answer
    x = 23,009.83

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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.