Home / 30,826.77-42,541.01-17,214.75

Finding the Fourth Proportional to 30,826.77, 42,541.01 and 17,214.75

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Solution

The fourth proportional to 30,826.77, 42,541.01 and 17,214.75 is: 23,756.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,826.77 : 42,541.01 = 17,214.75 : x
  2. Step 2: Convert to fraction form
    30,826.77/42,541.01 = 17,214.75/x
  3. Step 3: Cross multiply
    30,826.77x = 42,541.01 × 17,214.75
  4. Step 4: Simplify right side
    30,826.77x = 732,332,830.38
  5. Step 5: Solve for x
    x = 732,332,830.38/30,826.77
  6. Step 6: Final answer
    x = 23,756.39

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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.