Home / 58,631.76-87,873.66-31,977.36

Finding the Fourth Proportional to 58,631.76, 87,873.66 and 31,977.36

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Solution

The fourth proportional to 58,631.76, 87,873.66 and 31,977.36 is: 47,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,631.76 : 87,873.66 = 31,977.36 : x
  2. Step 2: Convert to fraction form
    58,631.76/87,873.66 = 31,977.36/x
  3. Step 3: Cross multiply
    58,631.76x = 87,873.66 × 31,977.36
  4. Step 4: Simplify right side
    58,631.76x = 2,809,967,660.34
  5. Step 5: Solve for x
    x = 2,809,967,660.34/58,631.76
  6. Step 6: Final answer
    x = 47,925.69

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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.