Home / 39,810.83-59,703.57-13,151.87

Finding the Fourth Proportional to 39,810.83, 59,703.57 and 13,151.87

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Solution

The fourth proportional to 39,810.83, 59,703.57 and 13,151.87 is: 19,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,810.83 : 59,703.57 = 13,151.87 : x
  2. Step 2: Convert to fraction form
    39,810.83/59,703.57 = 13,151.87/x
  3. Step 3: Cross multiply
    39,810.83x = 59,703.57 × 13,151.87
  4. Step 4: Simplify right side
    39,810.83x = 785,213,591.18
  5. Step 5: Solve for x
    x = 785,213,591.18/39,810.83
  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.