Home / 37,081.60-55,611.60-13,386.40

Finding the Fourth Proportional to 37,081.60, 55,611.60 and 13,386.40

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Solution

The fourth proportional to 37,081.60, 55,611.60 and 13,386.40 is: 20,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,081.60 : 55,611.60 = 13,386.40 : x
  2. Step 2: Convert to fraction form
    37,081.60/55,611.60 = 13,386.40/x
  3. Step 3: Cross multiply
    37,081.60x = 55,611.60 × 13,386.40
  4. Step 4: Simplify right side
    37,081.60x = 744,439,122.24
  5. Step 5: Solve for x
    x = 744,439,122.24/37,081.60
  6. Step 6: Final answer
    x = 20,075.70

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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.