Home / 30,702.51-42,366.02-17,273.48

Finding the Fourth Proportional to 30,702.51, 42,366.02 and 17,273.48

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Solution

The fourth proportional to 30,702.51, 42,366.02 and 17,273.48 is: 23,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,702.51 : 42,366.02 = 17,273.48 : x
  2. Step 2: Convert to fraction form
    30,702.51/42,366.02 = 17,273.48/x
  3. Step 3: Cross multiply
    30,702.51x = 42,366.02 × 17,273.48
  4. Step 4: Simplify right side
    30,702.51x = 731,808,599.15
  5. Step 5: Solve for x
    x = 731,808,599.15/30,702.51
  6. Step 6: Final answer
    x = 23,835.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.