Home / 30,071.26-41,499.02-19,479.32

Finding the Fourth Proportional to 30,071.26, 41,499.02 and 19,479.32

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Solution

The fourth proportional to 30,071.26, 41,499.02 and 19,479.32 is: 26,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.26 : 41,499.02 = 19,479.32 : x
  2. Step 2: Convert to fraction form
    30,071.26/41,499.02 = 19,479.32/x
  3. Step 3: Cross multiply
    30,071.26x = 41,499.02 × 19,479.32
  4. Step 4: Simplify right side
    30,071.26x = 808,372,690.27
  5. Step 5: Solve for x
    x = 808,372,690.27/30,071.26
  6. Step 6: Final answer
    x = 26,881.90

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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.