Home / 39,703.08-59,555-16,320.36

Finding the Fourth Proportional to 39,703.08, 59,555 and 16,320.36

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Solution

The fourth proportional to 39,703.08, 59,555 and 16,320.36 is: 24,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,703.08 : 59,555 = 16,320.36 : x
  2. Step 2: Convert to fraction form
    39,703.08/59,555 = 16,320.36/x
  3. Step 3: Cross multiply
    39,703.08x = 59,555 × 16,320.36
  4. Step 4: Simplify right side
    39,703.08x = 971,959,039.80
  5. Step 5: Solve for x
    x = 971,959,039.80/39,703.08
  6. Step 6: Final answer
    x = 24,480.70

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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.