Home / 45,466.56-62,775.18-28,478.16

Finding the Fourth Proportional to 45,466.56, 62,775.18 and 28,478.16

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Solution

The fourth proportional to 45,466.56, 62,775.18 and 28,478.16 is: 39,319.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,466.56 : 62,775.18 = 28,478.16 : x
  2. Step 2: Convert to fraction form
    45,466.56/62,775.18 = 28,478.16/x
  3. Step 3: Cross multiply
    45,466.56x = 62,775.18 × 28,478.16
  4. Step 4: Simplify right side
    45,466.56x = 1,787,721,620.07
  5. Step 5: Solve for x
    x = 1,787,721,620.07/45,466.56
  6. Step 6: Final answer
    x = 39,319.48

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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.