Home / 55,776.96-76,962.08-31,577.76

Finding the Fourth Proportional to 55,776.96, 76,962.08 and 31,577.76

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Solution

The fourth proportional to 55,776.96, 76,962.08 and 31,577.76 is: 43,571.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.96 : 76,962.08 = 31,577.76 : x
  2. Step 2: Convert to fraction form
    55,776.96/76,962.08 = 31,577.76/x
  3. Step 3: Cross multiply
    55,776.96x = 76,962.08 × 31,577.76
  4. Step 4: Simplify right side
    55,776.96x = 2,430,290,091.34
  5. Step 5: Solve for x
    x = 2,430,290,091.34/55,776.96
  6. Step 6: Final answer
    x = 43,571.58

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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.