Home / 30,583.98-42,187.92-19,235.52

Finding the Fourth Proportional to 30,583.98, 42,187.92 and 19,235.52

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Solution

The fourth proportional to 30,583.98, 42,187.92 and 19,235.52 is: 26,533.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,583.98 : 42,187.92 = 19,235.52 : x
  2. Step 2: Convert to fraction form
    30,583.98/42,187.92 = 19,235.52/x
  3. Step 3: Cross multiply
    30,583.98x = 42,187.92 × 19,235.52
  4. Step 4: Simplify right side
    30,583.98x = 811,506,578.92
  5. Step 5: Solve for x
    x = 811,506,578.92/30,583.98
  6. Step 6: Final answer
    x = 26,533.71

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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.