Home / 30,826.88-42,541.08-17,400.95

Finding the Fourth Proportional to 30,826.88, 42,541.08 and 17,400.95

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Solution

The fourth proportional to 30,826.88, 42,541.08 and 17,400.95 is: 24,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,826.88 : 42,541.08 = 17,400.95 : x
  2. Step 2: Convert to fraction form
    30,826.88/42,541.08 = 17,400.95/x
  3. Step 3: Cross multiply
    30,826.88x = 42,541.08 × 17,400.95
  4. Step 4: Simplify right side
    30,826.88x = 740,255,206.03
  5. Step 5: Solve for x
    x = 740,255,206.03/30,826.88
  6. Step 6: Final answer
    x = 24,013.30

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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.