Home / 30,042.17-41,458.32-16,430.48

Finding the Fourth Proportional to 30,042.17, 41,458.32 and 16,430.48

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Solution

The fourth proportional to 30,042.17, 41,458.32 and 16,430.48 is: 22,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.17 : 41,458.32 = 16,430.48 : x
  2. Step 2: Convert to fraction form
    30,042.17/41,458.32 = 16,430.48/x
  3. Step 3: Cross multiply
    30,042.17x = 41,458.32 × 16,430.48
  4. Step 4: Simplify right side
    30,042.17x = 681,180,045.77
  5. Step 5: Solve for x
    x = 681,180,045.77/30,042.17
  6. Step 6: Final answer
    x = 22,674.13

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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.