Home / 58,286.10-87,429.15-21,345.30

Finding the Fourth Proportional to 58,286.10, 87,429.15 and 21,345.30

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Solution

The fourth proportional to 58,286.10, 87,429.15 and 21,345.30 is: 32,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,286.10 : 87,429.15 = 21,345.30 : x
  2. Step 2: Convert to fraction form
    58,286.10/87,429.15 = 21,345.30/x
  3. Step 3: Cross multiply
    58,286.10x = 87,429.15 × 21,345.30
  4. Step 4: Simplify right side
    58,286.10x = 1,866,201,435.50
  5. Step 5: Solve for x
    x = 1,866,201,435.50/58,286.10
  6. Step 6: Final answer
    x = 32,017.95

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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.