Home / 53,131.86-73,322.45-29,258.63

Finding the Fourth Proportional to 53,131.86, 73,322.45 and 29,258.63

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Solution

The fourth proportional to 53,131.86, 73,322.45 and 29,258.63 is: 40,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,131.86 : 73,322.45 = 29,258.63 : x
  2. Step 2: Convert to fraction form
    53,131.86/73,322.45 = 29,258.63/x
  3. Step 3: Cross multiply
    53,131.86x = 73,322.45 × 29,258.63
  4. Step 4: Simplify right side
    53,131.86x = 2,145,314,435.24
  5. Step 5: Solve for x
    x = 2,145,314,435.24/53,131.86
  6. Step 6: Final answer
    x = 40,377.18

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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.