Home / 35,421.54-53,165.16-17,903.67

Finding the Fourth Proportional to 35,421.54, 53,165.16 and 17,903.67

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Solution

The fourth proportional to 35,421.54, 53,165.16 and 17,903.67 is: 26,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.54 : 53,165.16 = 17,903.67 : x
  2. Step 2: Convert to fraction form
    35,421.54/53,165.16 = 17,903.67/x
  3. Step 3: Cross multiply
    35,421.54x = 53,165.16 × 17,903.67
  4. Step 4: Simplify right side
    35,421.54x = 951,851,480.14
  5. Step 5: Solve for x
    x = 951,851,480.14/35,421.54
  6. Step 6: Final answer
    x = 26,872.11

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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.