Home / 46,679.34-70,018.89-11,619

Finding the Fourth Proportional to 46,679.34, 70,018.89 and 11,619

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Solution

The fourth proportional to 46,679.34, 70,018.89 and 11,619 is: 17,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,679.34 : 70,018.89 = 11,619 : x
  2. Step 2: Convert to fraction form
    46,679.34/70,018.89 = 11,619/x
  3. Step 3: Cross multiply
    46,679.34x = 70,018.89 × 11,619
  4. Step 4: Simplify right side
    46,679.34x = 813,549,482.91
  5. Step 5: Solve for x
    x = 813,549,482.91/46,679.34
  6. Step 6: Final answer
    x = 17,428.47

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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.