Home / 46,939.32-70,417.86-18,861.57

Finding the Fourth Proportional to 46,939.32, 70,417.86 and 18,861.57

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Solution

The fourth proportional to 46,939.32, 70,417.86 and 18,861.57 is: 28,295.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,939.32 : 70,417.86 = 18,861.57 : x
  2. Step 2: Convert to fraction form
    46,939.32/70,417.86 = 18,861.57/x
  3. Step 3: Cross multiply
    46,939.32x = 70,417.86 × 18,861.57
  4. Step 4: Simplify right side
    46,939.32x = 1,328,191,395.64
  5. Step 5: Solve for x
    x = 1,328,191,395.64/46,939.32
  6. Step 6: Final answer
    x = 28,295.92

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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.