Home / 56,500.36-77,969.46-31,349.32

Finding the Fourth Proportional to 56,500.36, 77,969.46 and 31,349.32

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Solution

The fourth proportional to 56,500.36, 77,969.46 and 31,349.32 is: 43,261.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,500.36 : 77,969.46 = 31,349.32 : x
  2. Step 2: Convert to fraction form
    56,500.36/77,969.46 = 31,349.32/x
  3. Step 3: Cross multiply
    56,500.36x = 77,969.46 × 31,349.32
  4. Step 4: Simplify right side
    56,500.36x = 2,444,289,551.77
  5. Step 5: Solve for x
    x = 2,444,289,551.77/56,500.36
  6. Step 6: Final answer
    x = 43,261.49

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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.