Home / 30,389.79-41,926.76-19,059.77

Finding the Fourth Proportional to 30,389.79, 41,926.76 and 19,059.77

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Solution

The fourth proportional to 30,389.79, 41,926.76 and 19,059.77 is: 26,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.79 : 41,926.76 = 19,059.77 : x
  2. Step 2: Convert to fraction form
    30,389.79/41,926.76 = 19,059.77/x
  3. Step 3: Cross multiply
    30,389.79x = 41,926.76 × 19,059.77
  4. Step 4: Simplify right side
    30,389.79x = 799,114,097.51
  5. Step 5: Solve for x
    x = 799,114,097.51/30,389.79
  6. Step 6: Final answer
    x = 26,295.48

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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.