Home / 39,303.81-58,935.68-19,314.63

Finding the Fourth Proportional to 39,303.81, 58,935.68 and 19,314.63

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Solution

The fourth proportional to 39,303.81, 58,935.68 and 19,314.63 is: 28,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,303.81 : 58,935.68 = 19,314.63 : x
  2. Step 2: Convert to fraction form
    39,303.81/58,935.68 = 19,314.63/x
  3. Step 3: Cross multiply
    39,303.81x = 58,935.68 × 19,314.63
  4. Step 4: Simplify right side
    39,303.81x = 1,138,320,853.00
  5. Step 5: Solve for x
    x = 1,138,320,853.00/39,303.81
  6. Step 6: Final answer
    x = 28,962.10

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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.