Home / 30,276.48-41,782.50-16,665.06

Finding the Fourth Proportional to 30,276.48, 41,782.50 and 16,665.06

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Solution

The fourth proportional to 30,276.48, 41,782.50 and 16,665.06 is: 22,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.48 : 41,782.50 = 16,665.06 : x
  2. Step 2: Convert to fraction form
    30,276.48/41,782.50 = 16,665.06/x
  3. Step 3: Cross multiply
    30,276.48x = 41,782.50 × 16,665.06
  4. Step 4: Simplify right side
    30,276.48x = 696,307,869.45
  5. Step 5: Solve for x
    x = 696,307,869.45/30,276.48
  6. Step 6: Final answer
    x = 22,998.31

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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.