Home / 30,699.28-46,051.65-13,165.01

Finding the Fourth Proportional to 30,699.28, 46,051.65 and 13,165.01

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Solution

The fourth proportional to 30,699.28, 46,051.65 and 13,165.01 is: 19,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,699.28 : 46,051.65 = 13,165.01 : x
  2. Step 2: Convert to fraction form
    30,699.28/46,051.65 = 13,165.01/x
  3. Step 3: Cross multiply
    30,699.28x = 46,051.65 × 13,165.01
  4. Step 4: Simplify right side
    30,699.28x = 606,270,202.51
  5. Step 5: Solve for x
    x = 606,270,202.51/30,699.28
  6. Step 6: Final answer
    x = 19,748.68

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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.