Home / 55,557.13-76,670.67-30,406.63

Finding the Fourth Proportional to 55,557.13, 76,670.67 and 30,406.63

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Solution

The fourth proportional to 55,557.13, 76,670.67 and 30,406.63 is: 41,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,557.13 : 76,670.67 = 30,406.63 : x
  2. Step 2: Convert to fraction form
    55,557.13/76,670.67 = 30,406.63/x
  3. Step 3: Cross multiply
    55,557.13x = 76,670.67 × 30,406.63
  4. Step 4: Simplify right side
    55,557.13x = 2,331,296,694.54
  5. Step 5: Solve for x
    x = 2,331,296,694.54/55,557.13
  6. Step 6: Final answer
    x = 41,962.15

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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.