Home / 39,810.84-59,703.56-13,151.88

Finding the Fourth Proportional to 39,810.84, 59,703.56 and 13,151.88

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Solution

The fourth proportional to 39,810.84, 59,703.56 and 13,151.88 is: 19,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,810.84 : 59,703.56 = 13,151.88 : x
  2. Step 2: Convert to fraction form
    39,810.84/59,703.56 = 13,151.88/x
  3. Step 3: Cross multiply
    39,810.84x = 59,703.56 × 13,151.88
  4. Step 4: Simplify right side
    39,810.84x = 785,214,056.69
  5. Step 5: Solve for x
    x = 785,214,056.69/39,810.84
  6. Step 6: Final answer
    x = 19,723.62

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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.