Home / 39,810.63-59,728.91-19,035.75

Finding the Fourth Proportional to 39,810.63, 59,728.91 and 19,035.75

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Solution

The fourth proportional to 39,810.63, 59,728.91 and 19,035.75 is: 28,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,810.63 : 59,728.91 = 19,035.75 : x
  2. Step 2: Convert to fraction form
    39,810.63/59,728.91 = 19,035.75/x
  3. Step 3: Cross multiply
    39,810.63x = 59,728.91 × 19,035.75
  4. Step 4: Simplify right side
    39,810.63x = 1,136,984,503.35
  5. Step 5: Solve for x
    x = 1,136,984,503.35/39,810.63
  6. Step 6: Final answer
    x = 28,559.82

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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.