Home / 43,582.25-65,384.28-12,417.50

Finding the Fourth Proportional to 43,582.25, 65,384.28 and 12,417.50

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Solution

The fourth proportional to 43,582.25, 65,384.28 and 12,417.50 is: 18,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,582.25 : 65,384.28 = 12,417.50 : x
  2. Step 2: Convert to fraction form
    43,582.25/65,384.28 = 12,417.50/x
  3. Step 3: Cross multiply
    43,582.25x = 65,384.28 × 12,417.50
  4. Step 4: Simplify right side
    43,582.25x = 811,909,460.36
  5. Step 5: Solve for x
    x = 811,909,460.36/43,582.25
  6. Step 6: Final answer
    x = 18,629.36

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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.