Home / 55,953.52-77,215.80-30,803.04

Finding the Fourth Proportional to 55,953.52, 77,215.80 and 30,803.04

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Solution

The fourth proportional to 55,953.52, 77,215.80 and 30,803.04 is: 42,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,953.52 : 77,215.80 = 30,803.04 : x
  2. Step 2: Convert to fraction form
    55,953.52/77,215.80 = 30,803.04/x
  3. Step 3: Cross multiply
    55,953.52x = 77,215.80 × 30,803.04
  4. Step 4: Simplify right side
    55,953.52x = 2,378,481,376.03
  5. Step 5: Solve for x
    x = 2,378,481,376.03/55,953.52
  6. Step 6: Final answer
    x = 42,508.16

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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.