Home / 53,852.51-74,314.46-29,978.71

Finding the Fourth Proportional to 53,852.51, 74,314.46 and 29,978.71

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Solution

The fourth proportional to 53,852.51, 74,314.46 and 29,978.71 is: 41,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,852.51 : 74,314.46 = 29,978.71 : x
  2. Step 2: Convert to fraction form
    53,852.51/74,314.46 = 29,978.71/x
  3. Step 3: Cross multiply
    53,852.51x = 74,314.46 × 29,978.71
  4. Step 4: Simplify right side
    53,852.51x = 2,227,851,534.31
  5. Step 5: Solve for x
    x = 2,227,851,534.31/53,852.51
  6. Step 6: Final answer
    x = 41,369.50

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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.