Home / 58,737.08-81,056.38-31,879.35

Finding the Fourth Proportional to 58,737.08, 81,056.38 and 31,879.35

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Solution

The fourth proportional to 58,737.08, 81,056.38 and 31,879.35 is: 43,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,737.08 : 81,056.38 = 31,879.35 : x
  2. Step 2: Convert to fraction form
    58,737.08/81,056.38 = 31,879.35/x
  3. Step 3: Cross multiply
    58,737.08x = 81,056.38 × 31,879.35
  4. Step 4: Simplify right side
    58,737.08x = 2,584,024,628.05
  5. Step 5: Solve for x
    x = 2,584,024,628.05/58,737.08
  6. Step 6: Final answer
    x = 43,993.08

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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.