Home / 43,069.47-64,609.06-19,689.63

Finding the Fourth Proportional to 43,069.47, 64,609.06 and 19,689.63

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Solution

The fourth proportional to 43,069.47, 64,609.06 and 19,689.63 is: 29,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,069.47 : 64,609.06 = 19,689.63 : x
  2. Step 2: Convert to fraction form
    43,069.47/64,609.06 = 19,689.63/x
  3. Step 3: Cross multiply
    43,069.47x = 64,609.06 × 19,689.63
  4. Step 4: Simplify right side
    43,069.47x = 1,272,128,486.05
  5. Step 5: Solve for x
    x = 1,272,128,486.05/43,069.47
  6. Step 6: Final answer
    x = 29,536.66

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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.