Home / 55,827.36-77,046.48-30,682.08

Finding the Fourth Proportional to 55,827.36, 77,046.48 and 30,682.08

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Solution

The fourth proportional to 55,827.36, 77,046.48 and 30,682.08 is: 42,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,827.36 : 77,046.48 = 30,682.08 : x
  2. Step 2: Convert to fraction form
    55,827.36/77,046.48 = 30,682.08/x
  3. Step 3: Cross multiply
    55,827.36x = 77,046.48 × 30,682.08
  4. Step 4: Simplify right side
    55,827.36x = 2,363,946,263.08
  5. Step 5: Solve for x
    x = 2,363,946,263.08/55,827.36
  6. Step 6: Final answer
    x = 42,343.87

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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.