Home / 32,713.16-49,077.95-12,985.20

Finding the Fourth Proportional to 32,713.16, 49,077.95 and 12,985.20

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Solution

The fourth proportional to 32,713.16, 49,077.95 and 12,985.20 is: 19,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,713.16 : 49,077.95 = 12,985.20 : x
  2. Step 2: Convert to fraction form
    32,713.16/49,077.95 = 12,985.20/x
  3. Step 3: Cross multiply
    32,713.16x = 49,077.95 × 12,985.20
  4. Step 4: Simplify right side
    32,713.16x = 637,286,996.34
  5. Step 5: Solve for x
    x = 637,286,996.34/32,713.16
  6. Step 6: Final answer
    x = 19,481.06

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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.