Home / 39,880.08-59,729.40-30,923.62

Finding the Fourth Proportional to 39,880.08, 59,729.40 and 30,923.62

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Solution

The fourth proportional to 39,880.08, 59,729.40 and 30,923.62 is: 46,315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,880.08 : 59,729.40 = 30,923.62 : x
  2. Step 2: Convert to fraction form
    39,880.08/59,729.40 = 30,923.62/x
  3. Step 3: Cross multiply
    39,880.08x = 59,729.40 × 30,923.62
  4. Step 4: Simplify right side
    39,880.08x = 1,847,049,268.43
  5. Step 5: Solve for x
    x = 1,847,049,268.43/39,880.08
  6. Step 6: Final answer
    x = 46,315.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.