Home / 45,488.57-62,800.27-30,406.77

Finding the Fourth Proportional to 45,488.57, 62,800.27 and 30,406.77

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Solution

The fourth proportional to 45,488.57, 62,800.27 and 30,406.77 is: 41,978.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,488.57 : 62,800.27 = 30,406.77 : x
  2. Step 2: Convert to fraction form
    45,488.57/62,800.27 = 30,406.77/x
  3. Step 3: Cross multiply
    45,488.57x = 62,800.27 × 30,406.77
  4. Step 4: Simplify right side
    45,488.57x = 1,909,553,289.81
  5. Step 5: Solve for x
    x = 1,909,553,289.81/45,488.57
  6. Step 6: Final answer
    x = 41,978.75

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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.