Home / 43,784.83-65,686.47-14,200.36

Finding the Fourth Proportional to 43,784.83, 65,686.47 and 14,200.36

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Solution

The fourth proportional to 43,784.83, 65,686.47 and 14,200.36 is: 21,303.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,784.83 : 65,686.47 = 14,200.36 : x
  2. Step 2: Convert to fraction form
    43,784.83/65,686.47 = 14,200.36/x
  3. Step 3: Cross multiply
    43,784.83x = 65,686.47 × 14,200.36
  4. Step 4: Simplify right side
    43,784.83x = 932,771,521.13
  5. Step 5: Solve for x
    x = 932,771,521.13/43,784.83
  6. Step 6: Final answer
    x = 21,303.53

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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.