Home / 30,742.79-46,098.68-14,088.78

Finding the Fourth Proportional to 30,742.79, 46,098.68 and 14,088.78

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Solution

The fourth proportional to 30,742.79, 46,098.68 and 14,088.78 is: 21,126.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,742.79 : 46,098.68 = 14,088.78 : x
  2. Step 2: Convert to fraction form
    30,742.79/46,098.68 = 14,088.78/x
  3. Step 3: Cross multiply
    30,742.79x = 46,098.68 × 14,088.78
  4. Step 4: Simplify right side
    30,742.79x = 649,474,090.37
  5. Step 5: Solve for x
    x = 649,474,090.37/30,742.79
  6. Step 6: Final answer
    x = 21,126.07

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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.