Home / 37,110.76-55,671.59-13,420.08

Finding the Fourth Proportional to 37,110.76, 55,671.59 and 13,420.08

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Solution

The fourth proportional to 37,110.76, 55,671.59 and 13,420.08 is: 20,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,110.76 : 55,671.59 = 13,420.08 : x
  2. Step 2: Convert to fraction form
    37,110.76/55,671.59 = 13,420.08/x
  3. Step 3: Cross multiply
    37,110.76x = 55,671.59 × 13,420.08
  4. Step 4: Simplify right side
    37,110.76x = 747,117,225.08
  5. Step 5: Solve for x
    x = 747,117,225.08/37,110.76
  6. Step 6: Final answer
    x = 20,132.09

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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.