Home / 48,314.64-66,612.48-31,288.80

Finding the Fourth Proportional to 48,314.64, 66,612.48 and 31,288.80

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Solution

The fourth proportional to 48,314.64, 66,612.48 and 31,288.80 is: 43,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,314.64 : 66,612.48 = 31,288.80 : x
  2. Step 2: Convert to fraction form
    48,314.64/66,612.48 = 31,288.80/x
  3. Step 3: Cross multiply
    48,314.64x = 66,612.48 × 31,288.80
  4. Step 4: Simplify right side
    48,314.64x = 2,084,224,564.22
  5. Step 5: Solve for x
    x = 2,084,224,564.22/48,314.64
  6. Step 6: Final answer
    x = 43,138.57

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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.