Home / 47,549.13-71,330.64-14,271.83

Finding the Fourth Proportional to 47,549.13, 71,330.64 and 14,271.83

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Solution

The fourth proportional to 47,549.13, 71,330.64 and 14,271.83 is: 21,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,549.13 : 71,330.64 = 14,271.83 : x
  2. Step 2: Convert to fraction form
    47,549.13/71,330.64 = 14,271.83/x
  3. Step 3: Cross multiply
    47,549.13x = 71,330.64 × 14,271.83
  4. Step 4: Simplify right side
    47,549.13x = 1,018,018,411.22
  5. Step 5: Solve for x
    x = 1,018,018,411.22/47,549.13
  6. Step 6: Final answer
    x = 21,409.82

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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.