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Finding the Fourth Proportional to 30,702.02, 46,053.03 and 8,515.40

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Solution

The fourth proportional to 30,702.02, 46,053.03 and 8,515.40 is: 12,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,702.02 : 46,053.03 = 8,515.40 : x
  2. Step 2: Convert to fraction form
    30,702.02/46,053.03 = 8,515.40/x
  3. Step 3: Cross multiply
    30,702.02x = 46,053.03 × 8,515.40
  4. Step 4: Simplify right side
    30,702.02x = 392,159,984.48
  5. Step 5: Solve for x
    x = 392,159,984.48/30,702.02
  6. Step 6: Final answer
    x = 12,773.10

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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.