Home / 37,307.32-51,485.40-21,173.74

Finding the Fourth Proportional to 37,307.32, 51,485.40 and 21,173.74

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Solution

The fourth proportional to 37,307.32, 51,485.40 and 21,173.74 is: 29,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,307.32 : 51,485.40 = 21,173.74 : x
  2. Step 2: Convert to fraction form
    37,307.32/51,485.40 = 21,173.74/x
  3. Step 3: Cross multiply
    37,307.32x = 51,485.40 × 21,173.74
  4. Step 4: Simplify right side
    37,307.32x = 1,090,138,473.40
  5. Step 5: Solve for x
    x = 1,090,138,473.40/37,307.32
  6. Step 6: Final answer
    x = 29,220.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.