Home / 55,447.98-76,518.45-30,298.02

Finding the Fourth Proportional to 55,447.98, 76,518.45 and 30,298.02

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Solution

The fourth proportional to 55,447.98, 76,518.45 and 30,298.02 is: 41,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,447.98 : 76,518.45 = 30,298.02 : x
  2. Step 2: Convert to fraction form
    55,447.98/76,518.45 = 30,298.02/x
  3. Step 3: Cross multiply
    55,447.98x = 76,518.45 × 30,298.02
  4. Step 4: Simplify right side
    55,447.98x = 2,318,357,528.47
  5. Step 5: Solve for x
    x = 2,318,357,528.47/55,447.98
  6. Step 6: Final answer
    x = 41,811.40

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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.