Home / 30,914.54-46,538.93-28,158.92

Finding the Fourth Proportional to 30,914.54, 46,538.93 and 28,158.92

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Solution

The fourth proportional to 30,914.54, 46,538.93 and 28,158.92 is: 42,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,914.54 : 46,538.93 = 28,158.92 : x
  2. Step 2: Convert to fraction form
    30,914.54/46,538.93 = 28,158.92/x
  3. Step 3: Cross multiply
    30,914.54x = 46,538.93 × 28,158.92
  4. Step 4: Simplify right side
    30,914.54x = 1,310,486,006.76
  5. Step 5: Solve for x
    x = 1,310,486,006.76/30,914.54
  6. Step 6: Final answer
    x = 42,390.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.