Home / 40,952.99-61,429.46-12,875.09

Finding the Fourth Proportional to 40,952.99, 61,429.46 and 12,875.09

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Solution

The fourth proportional to 40,952.99, 61,429.46 and 12,875.09 is: 19,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,952.99 : 61,429.46 = 12,875.09 : x
  2. Step 2: Convert to fraction form
    40,952.99/61,429.46 = 12,875.09/x
  3. Step 3: Cross multiply
    40,952.99x = 61,429.46 × 12,875.09
  4. Step 4: Simplify right side
    40,952.99x = 790,909,454.63
  5. Step 5: Solve for x
    x = 790,909,454.63/40,952.99
  6. Step 6: Final answer
    x = 19,312.62

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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.