Home / 55,958.01-77,219.52-30,463.72

Finding the Fourth Proportional to 55,958.01, 77,219.52 and 30,463.72

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Solution

The fourth proportional to 55,958.01, 77,219.52 and 30,463.72 is: 42,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,958.01 : 77,219.52 = 30,463.72 : x
  2. Step 2: Convert to fraction form
    55,958.01/77,219.52 = 30,463.72/x
  3. Step 3: Cross multiply
    55,958.01x = 77,219.52 × 30,463.72
  4. Step 4: Simplify right side
    55,958.01x = 2,352,393,835.81
  5. Step 5: Solve for x
    x = 2,352,393,835.81/55,958.01
  6. Step 6: Final answer
    x = 42,038.55

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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.