Home / 43,639.63-65,417.69-14,036.63

Finding the Fourth Proportional to 43,639.63, 65,417.69 and 14,036.63

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Solution

The fourth proportional to 43,639.63, 65,417.69 and 14,036.63 is: 21,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,639.63 : 65,417.69 = 14,036.63 : x
  2. Step 2: Convert to fraction form
    43,639.63/65,417.69 = 14,036.63/x
  3. Step 3: Cross multiply
    43,639.63x = 65,417.69 × 14,036.63
  4. Step 4: Simplify right side
    43,639.63x = 918,243,617.99
  5. Step 5: Solve for x
    x = 918,243,617.99/43,639.63
  6. Step 6: Final answer
    x = 21,041.51

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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.