Home / 55,669.52-76,823.24-30,518.48

Finding the Fourth Proportional to 55,669.52, 76,823.24 and 30,518.48

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Solution

The fourth proportional to 55,669.52, 76,823.24 and 30,518.48 is: 42,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,669.52 : 76,823.24 = 30,518.48 : x
  2. Step 2: Convert to fraction form
    55,669.52/76,823.24 = 30,518.48/x
  3. Step 3: Cross multiply
    55,669.52x = 76,823.24 × 30,518.48
  4. Step 4: Simplify right side
    55,669.52x = 2,344,528,513.48
  5. Step 5: Solve for x
    x = 2,344,528,513.48/55,669.52
  6. Step 6: Final answer
    x = 42,115.12

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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.