Home / 39,303.65-54,135.72-30,211.62

Finding the Fourth Proportional to 39,303.65, 54,135.72 and 30,211.62

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Solution

The fourth proportional to 39,303.65, 54,135.72 and 30,211.62 is: 41,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,303.65 : 54,135.72 = 30,211.62 : x
  2. Step 2: Convert to fraction form
    39,303.65/54,135.72 = 30,211.62/x
  3. Step 3: Cross multiply
    39,303.65x = 54,135.72 × 30,211.62
  4. Step 4: Simplify right side
    39,303.65x = 1,635,527,801.07
  5. Step 5: Solve for x
    x = 1,635,527,801.07/39,303.65
  6. Step 6: Final answer
    x = 41,612.62

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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.