Home / 30,681.16-46,031.40-10,959.28

Finding the Fourth Proportional to 30,681.16, 46,031.40 and 10,959.28

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Solution

The fourth proportional to 30,681.16, 46,031.40 and 10,959.28 is: 16,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681.16 : 46,031.40 = 10,959.28 : x
  2. Step 2: Convert to fraction form
    30,681.16/46,031.40 = 10,959.28/x
  3. Step 3: Cross multiply
    30,681.16x = 46,031.40 × 10,959.28
  4. Step 4: Simplify right side
    30,681.16x = 504,471,001.39
  5. Step 5: Solve for x
    x = 504,471,001.39/30,681.16
  6. Step 6: Final answer
    x = 16,442.37

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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.