Home / 38,011.48-57,030.80-16,949.64

Finding the Fourth Proportional to 38,011.48, 57,030.80 and 16,949.64

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Solution

The fourth proportional to 38,011.48, 57,030.80 and 16,949.64 is: 25,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,011.48 : 57,030.80 = 16,949.64 : x
  2. Step 2: Convert to fraction form
    38,011.48/57,030.80 = 16,949.64/x
  3. Step 3: Cross multiply
    38,011.48x = 57,030.80 × 16,949.64
  4. Step 4: Simplify right side
    38,011.48x = 966,651,528.91
  5. Step 5: Solve for x
    x = 966,651,528.91/38,011.48
  6. Step 6: Final answer
    x = 25,430.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.