Home / 55,653.08-76,800.30-30,502.04

Finding the Fourth Proportional to 55,653.08, 76,800.30 and 30,502.04

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Solution

The fourth proportional to 55,653.08, 76,800.30 and 30,502.04 is: 42,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,653.08 : 76,800.30 = 30,502.04 : x
  2. Step 2: Convert to fraction form
    55,653.08/76,800.30 = 30,502.04/x
  3. Step 3: Cross multiply
    55,653.08x = 76,800.30 × 30,502.04
  4. Step 4: Simplify right side
    55,653.08x = 2,342,565,822.61
  5. Step 5: Solve for x
    x = 2,342,565,822.61/55,653.08
  6. Step 6: Final answer
    x = 42,092.29

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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.