Home / 53,991.42-74,467.98-39,646.74

Finding the Fourth Proportional to 53,991.42, 74,467.98 and 39,646.74

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Solution

The fourth proportional to 53,991.42, 74,467.98 and 39,646.74 is: 54,683.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,991.42 : 74,467.98 = 39,646.74 : x
  2. Step 2: Convert to fraction form
    53,991.42/74,467.98 = 39,646.74/x
  3. Step 3: Cross multiply
    53,991.42x = 74,467.98 × 39,646.74
  4. Step 4: Simplify right side
    53,991.42x = 2,952,412,641.39
  5. Step 5: Solve for x
    x = 2,952,412,641.39/53,991.42
  6. Step 6: Final answer
    x = 54,683.00

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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.