Home / 47,762.45-71,643.60-12,702.11

Finding the Fourth Proportional to 47,762.45, 71,643.60 and 12,702.11

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Solution

The fourth proportional to 47,762.45, 71,643.60 and 12,702.11 is: 19,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,762.45 : 71,643.60 = 12,702.11 : x
  2. Step 2: Convert to fraction form
    47,762.45/71,643.60 = 12,702.11/x
  3. Step 3: Cross multiply
    47,762.45x = 71,643.60 × 12,702.11
  4. Step 4: Simplify right side
    47,762.45x = 910,024,529.78
  5. Step 5: Solve for x
    x = 910,024,529.78/47,762.45
  6. Step 6: Final answer
    x = 19,053.14

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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.