Home / 48,362.40-66,750.06-30,445.38

Finding the Fourth Proportional to 48,362.40, 66,750.06 and 30,445.38

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Solution

The fourth proportional to 48,362.40, 66,750.06 and 30,445.38 is: 42,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,362.40 : 66,750.06 = 30,445.38 : x
  2. Step 2: Convert to fraction form
    48,362.40/66,750.06 = 30,445.38/x
  3. Step 3: Cross multiply
    48,362.40x = 66,750.06 × 30,445.38
  4. Step 4: Simplify right side
    48,362.40x = 2,032,230,941.72
  5. Step 5: Solve for x
    x = 2,032,230,941.72/48,362.40
  6. Step 6: Final answer
    x = 42,020.89

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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.