Home / 30,841.83-42,561.86-18,265.77

Finding the Fourth Proportional to 30,841.83, 42,561.86 and 18,265.77

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Solution

The fourth proportional to 30,841.83, 42,561.86 and 18,265.77 is: 25,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,841.83 : 42,561.86 = 18,265.77 : x
  2. Step 2: Convert to fraction form
    30,841.83/42,561.86 = 18,265.77/x
  3. Step 3: Cross multiply
    30,841.83x = 42,561.86 × 18,265.77
  4. Step 4: Simplify right side
    30,841.83x = 777,425,054.20
  5. Step 5: Solve for x
    x = 777,425,054.20/30,841.83
  6. Step 6: Final answer
    x = 25,206.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.