Home / 30,751.21-46,132.95-11,031.29

Finding the Fourth Proportional to 30,751.21, 46,132.95 and 11,031.29

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Solution

The fourth proportional to 30,751.21, 46,132.95 and 11,031.29 is: 16,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,751.21 : 46,132.95 = 11,031.29 : x
  2. Step 2: Convert to fraction form
    30,751.21/46,132.95 = 11,031.29/x
  3. Step 3: Cross multiply
    30,751.21x = 46,132.95 × 11,031.29
  4. Step 4: Simplify right side
    30,751.21x = 508,905,719.34
  5. Step 5: Solve for x
    x = 508,905,719.34/30,751.21
  6. Step 6: Final answer
    x = 16,549.13

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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.