Home / 37,531.02-51,795.96-21,403.20

Finding the Fourth Proportional to 37,531.02, 51,795.96 and 21,403.20

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Solution

The fourth proportional to 37,531.02, 51,795.96 and 21,403.20 is: 29,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,531.02 : 51,795.96 = 21,403.20 : x
  2. Step 2: Convert to fraction form
    37,531.02/51,795.96 = 21,403.20/x
  3. Step 3: Cross multiply
    37,531.02x = 51,795.96 × 21,403.20
  4. Step 4: Simplify right side
    37,531.02x = 1,108,599,291.07
  5. Step 5: Solve for x
    x = 1,108,599,291.07/37,531.02
  6. Step 6: Final answer
    x = 29,538.21

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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.