Home / 30,766.23-42,458.27-17,336.74

Finding the Fourth Proportional to 30,766.23, 42,458.27 and 17,336.74

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Solution

The fourth proportional to 30,766.23, 42,458.27 and 17,336.74 is: 23,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,766.23 : 42,458.27 = 17,336.74 : x
  2. Step 2: Convert to fraction form
    30,766.23/42,458.27 = 17,336.74/x
  3. Step 3: Cross multiply
    30,766.23x = 42,458.27 × 17,336.74
  4. Step 4: Simplify right side
    30,766.23x = 736,087,987.84
  5. Step 5: Solve for x
    x = 736,087,987.84/30,766.23
  6. Step 6: Final answer
    x = 23,925.19

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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.