Home / 53,146.15-73,340.30-30,498.35

Finding the Fourth Proportional to 53,146.15, 73,340.30 and 30,498.35

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Solution

The fourth proportional to 53,146.15, 73,340.30 and 30,498.35 is: 42,086.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146.15 : 73,340.30 = 30,498.35 : x
  2. Step 2: Convert to fraction form
    53,146.15/73,340.30 = 30,498.35/x
  3. Step 3: Cross multiply
    53,146.15x = 73,340.30 × 30,498.35
  4. Step 4: Simplify right side
    53,146.15x = 2,236,757,848.05
  5. Step 5: Solve for x
    x = 2,236,757,848.05/53,146.15
  6. Step 6: Final answer
    x = 42,086.92

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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.