Home / 37,209.40-55,814.10-12,585.40

Finding the Fourth Proportional to 37,209.40, 55,814.10 and 12,585.40

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Solution

The fourth proportional to 37,209.40, 55,814.10 and 12,585.40 is: 18,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,209.40 : 55,814.10 = 12,585.40 : x
  2. Step 2: Convert to fraction form
    37,209.40/55,814.10 = 12,585.40/x
  3. Step 3: Cross multiply
    37,209.40x = 55,814.10 × 12,585.40
  4. Step 4: Simplify right side
    37,209.40x = 702,442,774.14
  5. Step 5: Solve for x
    x = 702,442,774.14/37,209.40
  6. Step 6: Final answer
    x = 18,878.10

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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.