Home / 30,771.54-46,155.15-17,582.58

Finding the Fourth Proportional to 30,771.54, 46,155.15 and 17,582.58

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Solution

The fourth proportional to 30,771.54, 46,155.15 and 17,582.58 is: 26,372.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,771.54 : 46,155.15 = 17,582.58 : x
  2. Step 2: Convert to fraction form
    30,771.54/46,155.15 = 17,582.58/x
  3. Step 3: Cross multiply
    30,771.54x = 46,155.15 × 17,582.58
  4. Step 4: Simplify right side
    30,771.54x = 811,526,617.29
  5. Step 5: Solve for x
    x = 811,526,617.29/30,771.54
  6. Step 6: Final answer
    x = 26,372.64

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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.