Home / 30,341.79-41,876.73-22,406.94

Finding the Fourth Proportional to 30,341.79, 41,876.73 and 22,406.94

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Solution

The fourth proportional to 30,341.79, 41,876.73 and 22,406.94 is: 30,925.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341.79 : 41,876.73 = 22,406.94 : x
  2. Step 2: Convert to fraction form
    30,341.79/41,876.73 = 22,406.94/x
  3. Step 3: Cross multiply
    30,341.79x = 41,876.73 × 22,406.94
  4. Step 4: Simplify right side
    30,341.79x = 938,329,376.51
  5. Step 5: Solve for x
    x = 938,329,376.51/30,341.79
  6. Step 6: Final answer
    x = 30,925.31

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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.