Home / 48,550.32-66,961.08-31,780.08

Finding the Fourth Proportional to 48,550.32, 66,961.08 and 31,780.08

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Solution

The fourth proportional to 48,550.32, 66,961.08 and 31,780.08 is: 43,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,550.32 : 66,961.08 = 31,780.08 : x
  2. Step 2: Convert to fraction form
    48,550.32/66,961.08 = 31,780.08/x
  3. Step 3: Cross multiply
    48,550.32x = 66,961.08 × 31,780.08
  4. Step 4: Simplify right side
    48,550.32x = 2,128,028,479.29
  5. Step 5: Solve for x
    x = 2,128,028,479.29/48,550.32
  6. Step 6: Final answer
    x = 43,831.40

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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.