Home / 58,032.25-87,128.56-29,975.47

Finding the Fourth Proportional to 58,032.25, 87,128.56 and 29,975.47

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Solution

The fourth proportional to 58,032.25, 87,128.56 and 29,975.47 is: 45,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,032.25 : 87,128.56 = 29,975.47 : x
  2. Step 2: Convert to fraction form
    58,032.25/87,128.56 = 29,975.47/x
  3. Step 3: Cross multiply
    58,032.25x = 87,128.56 × 29,975.47
  4. Step 4: Simplify right side
    58,032.25x = 2,611,719,356.07
  5. Step 5: Solve for x
    x = 2,611,719,356.07/58,032.25
  6. Step 6: Final answer
    x = 45,004.62

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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.