Home / 30,635.47-42,276.95-17,206.74

Finding the Fourth Proportional to 30,635.47, 42,276.95 and 17,206.74

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Solution

The fourth proportional to 30,635.47, 42,276.95 and 17,206.74 is: 23,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635.47 : 42,276.95 = 17,206.74 : x
  2. Step 2: Convert to fraction form
    30,635.47/42,276.95 = 17,206.74/x
  3. Step 3: Cross multiply
    30,635.47x = 42,276.95 × 17,206.74
  4. Step 4: Simplify right side
    30,635.47x = 727,448,486.64
  5. Step 5: Solve for x
    x = 727,448,486.64/30,635.47
  6. Step 6: Final answer
    x = 23,745.30

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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.