Home / 30,928.53-46,393.08-9,871.77

Finding the Fourth Proportional to 30,928.53, 46,393.08 and 9,871.77

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Solution

The fourth proportional to 30,928.53, 46,393.08 and 9,871.77 is: 14,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928.53 : 46,393.08 = 9,871.77 : x
  2. Step 2: Convert to fraction form
    30,928.53/46,393.08 = 9,871.77/x
  3. Step 3: Cross multiply
    30,928.53x = 46,393.08 × 9,871.77
  4. Step 4: Simplify right side
    30,928.53x = 457,981,815.35
  5. Step 5: Solve for x
    x = 457,981,815.35/30,928.53
  6. Step 6: Final answer
    x = 14,807.75

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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.