Home / 48,056.16-72,030.72-19,960.56

Finding the Fourth Proportional to 48,056.16, 72,030.72 and 19,960.56

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Solution

The fourth proportional to 48,056.16, 72,030.72 and 19,960.56 is: 29,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,056.16 : 72,030.72 = 19,960.56 : x
  2. Step 2: Convert to fraction form
    48,056.16/72,030.72 = 19,960.56/x
  3. Step 3: Cross multiply
    48,056.16x = 72,030.72 × 19,960.56
  4. Step 4: Simplify right side
    48,056.16x = 1,437,773,508.40
  5. Step 5: Solve for x
    x = 1,437,773,508.40/48,056.16
  6. Step 6: Final answer
    x = 29,918.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.