Home / 58,118.04-87,215.40-21,182.04

Finding the Fourth Proportional to 58,118.04, 87,215.40 and 21,182.04

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Solution

The fourth proportional to 58,118.04, 87,215.40 and 21,182.04 is: 31,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,118.04 : 87,215.40 = 21,182.04 : x
  2. Step 2: Convert to fraction form
    58,118.04/87,215.40 = 21,182.04/x
  3. Step 3: Cross multiply
    58,118.04x = 87,215.40 × 21,182.04
  4. Step 4: Simplify right side
    58,118.04x = 1,847,400,091.42
  5. Step 5: Solve for x
    x = 1,847,400,091.42/58,118.04
  6. Step 6: Final answer
    x = 31,787.03

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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.