Home / 42,664.92-64,007.43-14,585.25

Finding the Fourth Proportional to 42,664.92, 64,007.43 and 14,585.25

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Solution

The fourth proportional to 42,664.92, 64,007.43 and 14,585.25 is: 21,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,664.92 : 64,007.43 = 14,585.25 : x
  2. Step 2: Convert to fraction form
    42,664.92/64,007.43 = 14,585.25/x
  3. Step 3: Cross multiply
    42,664.92x = 64,007.43 × 14,585.25
  4. Step 4: Simplify right side
    42,664.92x = 933,564,368.41
  5. Step 5: Solve for x
    x = 933,564,368.41/42,664.92
  6. Step 6: Final answer
    x = 21,881.31

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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.