Home / 31,353.72-46,983.28-18,860.08

Finding the Fourth Proportional to 31,353.72, 46,983.28 and 18,860.08

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Solution

The fourth proportional to 31,353.72, 46,983.28 and 18,860.08 is: 28,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.72 : 46,983.28 = 18,860.08 : x
  2. Step 2: Convert to fraction form
    31,353.72/46,983.28 = 18,860.08/x
  3. Step 3: Cross multiply
    31,353.72x = 46,983.28 × 18,860.08
  4. Step 4: Simplify right side
    31,353.72x = 886,108,419.46
  5. Step 5: Solve for x
    x = 886,108,419.46/31,353.72
  6. Step 6: Final answer
    x = 28,261.67

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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.