Home / 53,879.02-74,362.10-31,232.18

Finding the Fourth Proportional to 53,879.02, 74,362.10 and 31,232.18

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Solution

The fourth proportional to 53,879.02, 74,362.10 and 31,232.18 is: 43,105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,879.02 : 74,362.10 = 31,232.18 : x
  2. Step 2: Convert to fraction form
    53,879.02/74,362.10 = 31,232.18/x
  3. Step 3: Cross multiply
    53,879.02x = 74,362.10 × 31,232.18
  4. Step 4: Simplify right side
    53,879.02x = 2,322,490,697.80
  5. Step 5: Solve for x
    x = 2,322,490,697.80/53,879.02
  6. Step 6: Final answer
    x = 43,105.66

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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.