Home / 30,888.01-46,356.62-12,172.76

Finding the Fourth Proportional to 30,888.01, 46,356.62 and 12,172.76

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Solution

The fourth proportional to 30,888.01, 46,356.62 and 12,172.76 is: 18,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.01 : 46,356.62 = 12,172.76 : x
  2. Step 2: Convert to fraction form
    30,888.01/46,356.62 = 12,172.76/x
  3. Step 3: Cross multiply
    30,888.01x = 46,356.62 × 12,172.76
  4. Step 4: Simplify right side
    30,888.01x = 564,288,009.67
  5. Step 5: Solve for x
    x = 564,288,009.67/30,888.01
  6. Step 6: Final answer
    x = 18,268.84

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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.