Home / 43,340.07-64,973.63-21,141.99

Finding the Fourth Proportional to 43,340.07, 64,973.63 and 21,141.99

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Solution

The fourth proportional to 43,340.07, 64,973.63 and 21,141.99 is: 31,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,340.07 : 64,973.63 = 21,141.99 : x
  2. Step 2: Convert to fraction form
    43,340.07/64,973.63 = 21,141.99/x
  3. Step 3: Cross multiply
    43,340.07x = 64,973.63 × 21,141.99
  4. Step 4: Simplify right side
    43,340.07x = 1,373,671,730.01
  5. Step 5: Solve for x
    x = 1,373,671,730.01/43,340.07
  6. Step 6: Final answer
    x = 31,695.19

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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.