Home / 39,470.27-54,449.98-28,698.45

Finding the Fourth Proportional to 39,470.27, 54,449.98 and 28,698.45

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Solution

The fourth proportional to 39,470.27, 54,449.98 and 28,698.45 is: 39,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,470.27 : 54,449.98 = 28,698.45 : x
  2. Step 2: Convert to fraction form
    39,470.27/54,449.98 = 28,698.45/x
  3. Step 3: Cross multiply
    39,470.27x = 54,449.98 × 28,698.45
  4. Step 4: Simplify right side
    39,470.27x = 1,562,630,028.53
  5. Step 5: Solve for x
    x = 1,562,630,028.53/39,470.27
  6. Step 6: Final answer
    x = 39,590.05

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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.