Home / 58,315.32-87,474.33-20,877.98

Finding the Fourth Proportional to 58,315.32, 87,474.33 and 20,877.98

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Solution

The fourth proportional to 58,315.32, 87,474.33 and 20,877.98 is: 31,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,315.32 : 87,474.33 = 20,877.98 : x
  2. Step 2: Convert to fraction form
    58,315.32/87,474.33 = 20,877.98/x
  3. Step 3: Cross multiply
    58,315.32x = 87,474.33 × 20,877.98
  4. Step 4: Simplify right side
    58,315.32x = 1,826,286,874.88
  5. Step 5: Solve for x
    x = 1,826,286,874.88/58,315.32
  6. Step 6: Final answer
    x = 31,317.45

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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.