Home / 30,019.87-44,776.13-28,285.39

Finding the Fourth Proportional to 30,019.87, 44,776.13 and 28,285.39

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Solution

The fourth proportional to 30,019.87, 44,776.13 and 28,285.39 is: 42,189.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019.87 : 44,776.13 = 28,285.39 : x
  2. Step 2: Convert to fraction form
    30,019.87/44,776.13 = 28,285.39/x
  3. Step 3: Cross multiply
    30,019.87x = 44,776.13 × 28,285.39
  4. Step 4: Simplify right side
    30,019.87x = 1,266,510,299.74
  5. Step 5: Solve for x
    x = 1,266,510,299.74/30,019.87
  6. Step 6: Final answer
    x = 42,189.07

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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.