Home / 29,970.40-41,356.20-16,542.40

Finding the Fourth Proportional to 29,970.40, 41,356.20 and 16,542.40

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Solution

The fourth proportional to 29,970.40, 41,356.20 and 16,542.40 is: 22,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,970.40 : 41,356.20 = 16,542.40 : x
  2. Step 2: Convert to fraction form
    29,970.40/41,356.20 = 16,542.40/x
  3. Step 3: Cross multiply
    29,970.40x = 41,356.20 × 16,542.40
  4. Step 4: Simplify right side
    29,970.40x = 684,130,802.88
  5. Step 5: Solve for x
    x = 684,130,802.88/29,970.40
  6. Step 6: Final answer
    x = 22,826.88

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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.