Home / 45,386.64-68,111.04-15,804.48

Finding the Fourth Proportional to 45,386.64, 68,111.04 and 15,804.48

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Solution

The fourth proportional to 45,386.64, 68,111.04 and 15,804.48 is: 23,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,386.64 : 68,111.04 = 15,804.48 : x
  2. Step 2: Convert to fraction form
    45,386.64/68,111.04 = 15,804.48/x
  3. Step 3: Cross multiply
    45,386.64x = 68,111.04 × 15,804.48
  4. Step 4: Simplify right side
    45,386.64x = 1,076,459,569.46
  5. Step 5: Solve for x
    x = 1,076,459,569.46/45,386.64
  6. Step 6: Final answer
    x = 23,717.54

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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.