Home / 37,644.76-51,948.30-20,877.40

Finding the Fourth Proportional to 37,644.76, 51,948.30 and 20,877.40

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Solution

The fourth proportional to 37,644.76, 51,948.30 and 20,877.40 is: 28,810.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,644.76 : 51,948.30 = 20,877.40 : x
  2. Step 2: Convert to fraction form
    37,644.76/51,948.30 = 20,877.40/x
  3. Step 3: Cross multiply
    37,644.76x = 51,948.30 × 20,877.40
  4. Step 4: Simplify right side
    37,644.76x = 1,084,545,438.42
  5. Step 5: Solve for x
    x = 1,084,545,438.42/37,644.76
  6. Step 6: Final answer
    x = 28,810.00

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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.