Home / 30,565.84-45,852.87-13,039.77

Finding the Fourth Proportional to 30,565.84, 45,852.87 and 13,039.77

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Solution

The fourth proportional to 30,565.84, 45,852.87 and 13,039.77 is: 19,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,565.84 : 45,852.87 = 13,039.77 : x
  2. Step 2: Convert to fraction form
    30,565.84/45,852.87 = 13,039.77/x
  3. Step 3: Cross multiply
    30,565.84x = 45,852.87 × 13,039.77
  4. Step 4: Simplify right side
    30,565.84x = 597,910,878.64
  5. Step 5: Solve for x
    x = 597,910,878.64/30,565.84
  6. Step 6: Final answer
    x = 19,561.41

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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.