Home / 55,303.76-76,319.06-30,153.24

Finding the Fourth Proportional to 55,303.76, 76,319.06 and 30,153.24

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Solution

The fourth proportional to 55,303.76, 76,319.06 and 30,153.24 is: 41,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,303.76 : 76,319.06 = 30,153.24 : x
  2. Step 2: Convert to fraction form
    55,303.76/76,319.06 = 30,153.24/x
  3. Step 3: Cross multiply
    55,303.76x = 76,319.06 × 30,153.24
  4. Step 4: Simplify right side
    55,303.76x = 2,301,266,932.75
  5. Step 5: Solve for x
    x = 2,301,266,932.75/55,303.76
  6. Step 6: Final answer
    x = 41,611.40

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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.