Home / 54,230.69-74,785.77-42,289.67

Finding the Fourth Proportional to 54,230.69, 74,785.77 and 42,289.67

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Solution

The fourth proportional to 54,230.69, 74,785.77 and 42,289.67 is: 58,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,230.69 : 74,785.77 = 42,289.67 : x
  2. Step 2: Convert to fraction form
    54,230.69/74,785.77 = 42,289.67/x
  3. Step 3: Cross multiply
    54,230.69x = 74,785.77 × 42,289.67
  4. Step 4: Simplify right side
    54,230.69x = 3,162,665,160.07
  5. Step 5: Solve for x
    x = 3,162,665,160.07/54,230.69
  6. Step 6: Final answer
    x = 58,318.74

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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.