Home / 40,090.63-60,134.69-19,045.81

Finding the Fourth Proportional to 40,090.63, 60,134.69 and 19,045.81

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Solution

The fourth proportional to 40,090.63, 60,134.69 and 19,045.81 is: 28,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.63 : 60,134.69 = 19,045.81 : x
  2. Step 2: Convert to fraction form
    40,090.63/60,134.69 = 19,045.81/x
  3. Step 3: Cross multiply
    40,090.63x = 60,134.69 × 19,045.81
  4. Step 4: Simplify right side
    40,090.63x = 1,145,313,880.15
  5. Step 5: Solve for x
    x = 1,145,313,880.15/40,090.63
  6. Step 6: Final answer
    x = 28,568.12

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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.