Home / 30,702.15-45,971.19-19,548.45

Finding the Fourth Proportional to 30,702.15, 45,971.19 and 19,548.45

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Solution

The fourth proportional to 30,702.15, 45,971.19 and 19,548.45 is: 29,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,702.15 : 45,971.19 = 19,548.45 : x
  2. Step 2: Convert to fraction form
    30,702.15/45,971.19 = 19,548.45/x
  3. Step 3: Cross multiply
    30,702.15x = 45,971.19 × 19,548.45
  4. Step 4: Simplify right side
    30,702.15x = 898,665,509.16
  5. Step 5: Solve for x
    x = 898,665,509.16/30,702.15
  6. Step 6: Final answer
    x = 29,270.44

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1.5x scale

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.