Home / 30,018.87-44,774.64-28,284.39

Finding the Fourth Proportional to 30,018.87, 44,774.64 and 28,284.39

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Solution

The fourth proportional to 30,018.87, 44,774.64 and 28,284.39 is: 42,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,018.87 : 44,774.64 = 28,284.39 : x
  2. Step 2: Convert to fraction form
    30,018.87/44,774.64 = 28,284.39/x
  3. Step 3: Cross multiply
    30,018.87x = 44,774.64 × 28,284.39
  4. Step 4: Simplify right side
    30,018.87x = 1,266,423,379.87
  5. Step 5: Solve for x
    x = 1,266,423,379.87/30,018.87
  6. Step 6: Final answer
    x = 42,187.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.