Home / 49,130.06-73,695.12-21,031.89

Finding the Fourth Proportional to 49,130.06, 73,695.12 and 21,031.89

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Solution

The fourth proportional to 49,130.06, 73,695.12 and 21,031.89 is: 31,547.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,130.06 : 73,695.12 = 21,031.89 : x
  2. Step 2: Convert to fraction form
    49,130.06/73,695.12 = 21,031.89/x
  3. Step 3: Cross multiply
    49,130.06x = 73,695.12 × 21,031.89
  4. Step 4: Simplify right side
    49,130.06x = 1,549,947,302.15
  5. Step 5: Solve for x
    x = 1,549,947,302.15/49,130.06
  6. Step 6: Final answer
    x = 31,547.84

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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.