Home / 55,460.08-76,535.04-30,311.20

Finding the Fourth Proportional to 55,460.08, 76,535.04 and 30,311.20

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Solution

The fourth proportional to 55,460.08, 76,535.04 and 30,311.20 is: 41,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,460.08 : 76,535.04 = 30,311.20 : x
  2. Step 2: Convert to fraction form
    55,460.08/76,535.04 = 30,311.20/x
  3. Step 3: Cross multiply
    55,460.08x = 76,535.04 × 30,311.20
  4. Step 4: Simplify right side
    55,460.08x = 2,319,868,904.45
  5. Step 5: Solve for x
    x = 2,319,868,904.45/55,460.08
  6. Step 6: Final answer
    x = 41,829.53

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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.