Home / 30,758.61-46,137.95-8,572.59

Finding the Fourth Proportional to 30,758.61, 46,137.95 and 8,572.59

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Solution

The fourth proportional to 30,758.61, 46,137.95 and 8,572.59 is: 12,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,758.61 : 46,137.95 = 8,572.59 : x
  2. Step 2: Convert to fraction form
    30,758.61/46,137.95 = 8,572.59/x
  3. Step 3: Cross multiply
    30,758.61x = 46,137.95 × 8,572.59
  4. Step 4: Simplify right side
    30,758.61x = 395,521,728.79
  5. Step 5: Solve for x
    x = 395,521,728.79/30,758.61
  6. Step 6: Final answer
    x = 12,858.89

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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.