Home / 51,004.08-70,386.01-28,345.19

Finding the Fourth Proportional to 51,004.08, 70,386.01 and 28,345.19

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Solution

The fourth proportional to 51,004.08, 70,386.01 and 28,345.19 is: 39,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,004.08 : 70,386.01 = 28,345.19 : x
  2. Step 2: Convert to fraction form
    51,004.08/70,386.01 = 28,345.19/x
  3. Step 3: Cross multiply
    51,004.08x = 70,386.01 × 28,345.19
  4. Step 4: Simplify right side
    51,004.08x = 1,995,104,959.36
  5. Step 5: Solve for x
    x = 1,995,104,959.36/51,004.08
  6. Step 6: Final answer
    x = 39,116.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.