Home / 45,391.98-62,623.76-28,156.40

Finding the Fourth Proportional to 45,391.98, 62,623.76 and 28,156.40

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Solution

The fourth proportional to 45,391.98, 62,623.76 and 28,156.40 is: 38,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,391.98 : 62,623.76 = 28,156.40 : x
  2. Step 2: Convert to fraction form
    45,391.98/62,623.76 = 28,156.40/x
  3. Step 3: Cross multiply
    45,391.98x = 62,623.76 × 28,156.40
  4. Step 4: Simplify right side
    45,391.98x = 1,763,259,636.06
  5. Step 5: Solve for x
    x = 1,763,259,636.06/45,391.98
  6. Step 6: Final answer
    x = 38,845.18

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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.