Home / 43,316.49-64,925.19-19,642.08

Finding the Fourth Proportional to 43,316.49, 64,925.19 and 19,642.08

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Solution

The fourth proportional to 43,316.49, 64,925.19 and 19,642.08 is: 29,440.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,316.49 : 64,925.19 = 19,642.08 : x
  2. Step 2: Convert to fraction form
    43,316.49/64,925.19 = 19,642.08/x
  3. Step 3: Cross multiply
    43,316.49x = 64,925.19 × 19,642.08
  4. Step 4: Simplify right side
    43,316.49x = 1,275,265,776.00
  5. Step 5: Solve for x
    x = 1,275,265,776.00/43,316.49
  6. Step 6: Final answer
    x = 29,440.65

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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.