Home / 53,871.48-74,341.80-30,000.24

Finding the Fourth Proportional to 53,871.48, 74,341.80 and 30,000.24

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Solution

The fourth proportional to 53,871.48, 74,341.80 and 30,000.24 is: 41,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871.48 : 74,341.80 = 30,000.24 : x
  2. Step 2: Convert to fraction form
    53,871.48/74,341.80 = 30,000.24/x
  3. Step 3: Cross multiply
    53,871.48x = 74,341.80 × 30,000.24
  4. Step 4: Simplify right side
    53,871.48x = 2,230,271,842.03
  5. Step 5: Solve for x
    x = 2,230,271,842.03/53,871.48
  6. Step 6: Final answer
    x = 41,399.86

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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.