Home / 37,845.16-52,225.65-21,931.09

Finding the Fourth Proportional to 37,845.16, 52,225.65 and 21,931.09

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Solution

The fourth proportional to 37,845.16, 52,225.65 and 21,931.09 is: 30,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,845.16 : 52,225.65 = 21,931.09 : x
  2. Step 2: Convert to fraction form
    37,845.16/52,225.65 = 21,931.09/x
  3. Step 3: Cross multiply
    37,845.16x = 52,225.65 × 21,931.09
  4. Step 4: Simplify right side
    37,845.16x = 1,145,365,299.89
  5. Step 5: Solve for x
    x = 1,145,365,299.89/37,845.16
  6. Step 6: Final answer
    x = 30,264.51

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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.