Home / 56,180.60-77,529.63-31,030.10

Finding the Fourth Proportional to 56,180.60, 77,529.63 and 31,030.10

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Solution

The fourth proportional to 56,180.60, 77,529.63 and 31,030.10 is: 42,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,180.60 : 77,529.63 = 31,030.10 : x
  2. Step 2: Convert to fraction form
    56,180.60/77,529.63 = 31,030.10/x
  3. Step 3: Cross multiply
    56,180.60x = 77,529.63 × 31,030.10
  4. Step 4: Simplify right side
    56,180.60x = 2,405,751,629.06
  5. Step 5: Solve for x
    x = 2,405,751,629.06/56,180.60
  6. Step 6: Final answer
    x = 42,821.75

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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.