Home / 48,498.48-66,945.60-30,605.13

Finding the Fourth Proportional to 48,498.48, 66,945.60 and 30,605.13

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Solution

The fourth proportional to 48,498.48, 66,945.60 and 30,605.13 is: 42,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,498.48 : 66,945.60 = 30,605.13 : x
  2. Step 2: Convert to fraction form
    48,498.48/66,945.60 = 30,605.13/x
  3. Step 3: Cross multiply
    48,498.48x = 66,945.60 × 30,605.13
  4. Step 4: Simplify right side
    48,498.48x = 2,048,878,790.93
  5. Step 5: Solve for x
    x = 2,048,878,790.93/48,498.48
  6. Step 6: Final answer
    x = 42,246.25

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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.