Home / 43,628.95-65,390.52-19,903.99

Finding the Fourth Proportional to 43,628.95, 65,390.52 and 19,903.99

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Solution

The fourth proportional to 43,628.95, 65,390.52 and 19,903.99 is: 29,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,628.95 : 65,390.52 = 19,903.99 : x
  2. Step 2: Convert to fraction form
    43,628.95/65,390.52 = 19,903.99/x
  3. Step 3: Cross multiply
    43,628.95x = 65,390.52 × 19,903.99
  4. Step 4: Simplify right side
    43,628.95x = 1,301,532,256.17
  5. Step 5: Solve for x
    x = 1,301,532,256.17/43,628.95
  6. Step 6: Final answer
    x = 29,831.85

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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.