Home / 46,468.10-69,702.08-13,188.49

Finding the Fourth Proportional to 46,468.10, 69,702.08 and 13,188.49

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Solution

The fourth proportional to 46,468.10, 69,702.08 and 13,188.49 is: 19,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,468.10 : 69,702.08 = 13,188.49 : x
  2. Step 2: Convert to fraction form
    46,468.10/69,702.08 = 13,188.49/x
  3. Step 3: Cross multiply
    46,468.10x = 69,702.08 × 13,188.49
  4. Step 4: Simplify right side
    46,468.10x = 919,264,944.86
  5. Step 5: Solve for x
    x = 919,264,944.86/46,468.10
  6. Step 6: Final answer
    x = 19,782.71

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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.