Home / 48,678.48-73,030.08-13,618.32

Finding the Fourth Proportional to 48,678.48, 73,030.08 and 13,618.32

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Solution

The fourth proportional to 48,678.48, 73,030.08 and 13,618.32 is: 20,430.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,678.48 : 73,030.08 = 13,618.32 : x
  2. Step 2: Convert to fraction form
    48,678.48/73,030.08 = 13,618.32/x
  3. Step 3: Cross multiply
    48,678.48x = 73,030.08 × 13,618.32
  4. Step 4: Simplify right side
    48,678.48x = 994,546,999.07
  5. Step 5: Solve for x
    x = 994,546,999.07/48,678.48
  6. Step 6: Final answer
    x = 20,430.94

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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.