Home / 42,716.72-64,030.48-14,628.48

Finding the Fourth Proportional to 42,716.72, 64,030.48 and 14,628.48

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Solution

The fourth proportional to 42,716.72, 64,030.48 and 14,628.48 is: 21,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,716.72 : 64,030.48 = 14,628.48 : x
  2. Step 2: Convert to fraction form
    42,716.72/64,030.48 = 14,628.48/x
  3. Step 3: Cross multiply
    42,716.72x = 64,030.48 × 14,628.48
  4. Step 4: Simplify right side
    42,716.72x = 936,668,596.07
  5. Step 5: Solve for x
    x = 936,668,596.07/42,716.72
  6. Step 6: Final answer
    x = 21,927.45

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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.