Home / 46,749.03-70,163.18-18,688.90

Finding the Fourth Proportional to 46,749.03, 70,163.18 and 18,688.90

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Solution

The fourth proportional to 46,749.03, 70,163.18 and 18,688.90 is: 28,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,749.03 : 70,163.18 = 18,688.90 : x
  2. Step 2: Convert to fraction form
    46,749.03/70,163.18 = 18,688.90/x
  3. Step 3: Cross multiply
    46,749.03x = 70,163.18 × 18,688.90
  4. Step 4: Simplify right side
    46,749.03x = 1,311,272,210.44
  5. Step 5: Solve for x
    x = 1,311,272,210.44/46,749.03
  6. Step 6: Final answer
    x = 28,049.19

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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.