Home / 34,011.34-46,928.36-19,857.76

Finding the Fourth Proportional to 34,011.34, 46,928.36 and 19,857.76

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Solution

The fourth proportional to 34,011.34, 46,928.36 and 19,857.76 is: 27,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,011.34 : 46,928.36 = 19,857.76 : x
  2. Step 2: Convert to fraction form
    34,011.34/46,928.36 = 19,857.76/x
  3. Step 3: Cross multiply
    34,011.34x = 46,928.36 × 19,857.76
  4. Step 4: Simplify right side
    34,011.34x = 931,892,110.07
  5. Step 5: Solve for x
    x = 931,892,110.07/34,011.34
  6. Step 6: Final answer
    x = 27,399.45

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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.