Home / 42,681.07-64,021.61-16,371.46

Finding the Fourth Proportional to 42,681.07, 64,021.61 and 16,371.46

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Solution

The fourth proportional to 42,681.07, 64,021.61 and 16,371.46 is: 24,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,681.07 : 64,021.61 = 16,371.46 : x
  2. Step 2: Convert to fraction form
    42,681.07/64,021.61 = 16,371.46/x
  3. Step 3: Cross multiply
    42,681.07x = 64,021.61 × 16,371.46
  4. Step 4: Simplify right side
    42,681.07x = 1,048,127,227.25
  5. Step 5: Solve for x
    x = 1,048,127,227.25/42,681.07
  6. Step 6: Final answer
    x = 24,557.19

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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.