Home / 30,426.52-41,975.40-19,088.32

Finding the Fourth Proportional to 30,426.52, 41,975.40 and 19,088.32

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Solution

The fourth proportional to 30,426.52, 41,975.40 and 19,088.32 is: 26,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426.52 : 41,975.40 = 19,088.32 : x
  2. Step 2: Convert to fraction form
    30,426.52/41,975.40 = 19,088.32/x
  3. Step 3: Cross multiply
    30,426.52x = 41,975.40 × 19,088.32
  4. Step 4: Simplify right side
    30,426.52x = 801,239,867.33
  5. Step 5: Solve for x
    x = 801,239,867.33/30,426.52
  6. Step 6: Final answer
    x = 26,333.60

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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.