Home / 34,039.20-46,973.72-18,931.76

Finding the Fourth Proportional to 34,039.20, 46,973.72 and 18,931.76

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Solution

The fourth proportional to 34,039.20, 46,973.72 and 18,931.76 is: 26,125.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,039.20 : 46,973.72 = 18,931.76 : x
  2. Step 2: Convert to fraction form
    34,039.20/46,973.72 = 18,931.76/x
  3. Step 3: Cross multiply
    34,039.20x = 46,973.72 × 18,931.76
  4. Step 4: Simplify right side
    34,039.20x = 889,295,193.35
  5. Step 5: Solve for x
    x = 889,295,193.35/34,039.20
  6. Step 6: Final answer
    x = 26,125.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.