Home / 56,504.76-77,979-31,354.26

Finding the Fourth Proportional to 56,504.76, 77,979 and 31,354.26

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Solution

The fourth proportional to 56,504.76, 77,979 and 31,354.26 is: 43,270.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,504.76 : 77,979 = 31,354.26 : x
  2. Step 2: Convert to fraction form
    56,504.76/77,979 = 31,354.26/x
  3. Step 3: Cross multiply
    56,504.76x = 77,979 × 31,354.26
  4. Step 4: Simplify right side
    56,504.76x = 2,444,973,840.54
  5. Step 5: Solve for x
    x = 2,444,973,840.54/56,504.76
  6. Step 6: Final answer
    x = 43,270.23

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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.