Home / 35,912.16-53,881.20-18,390.24

Finding the Fourth Proportional to 35,912.16, 53,881.20 and 18,390.24

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Solution

The fourth proportional to 35,912.16, 53,881.20 and 18,390.24 is: 27,592.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,912.16 : 53,881.20 = 18,390.24 : x
  2. Step 2: Convert to fraction form
    35,912.16/53,881.20 = 18,390.24/x
  3. Step 3: Cross multiply
    35,912.16x = 53,881.20 × 18,390.24
  4. Step 4: Simplify right side
    35,912.16x = 990,888,199.49
  5. Step 5: Solve for x
    x = 990,888,199.49/35,912.16
  6. Step 6: Final answer
    x = 27,592.00

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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.