Home / 37,810.40-56,715.60-11,515.10

Finding the Fourth Proportional to 37,810.40, 56,715.60 and 11,515.10

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Solution

The fourth proportional to 37,810.40, 56,715.60 and 11,515.10 is: 17,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,810.40 : 56,715.60 = 11,515.10 : x
  2. Step 2: Convert to fraction form
    37,810.40/56,715.60 = 11,515.10/x
  3. Step 3: Cross multiply
    37,810.40x = 56,715.60 × 11,515.10
  4. Step 4: Simplify right side
    37,810.40x = 653,085,805.56
  5. Step 5: Solve for x
    x = 653,085,805.56/37,810.40
  6. Step 6: Final answer
    x = 17,272.65

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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.