Home / 52,421.44-72,340.64-30,063.68

Finding the Fourth Proportional to 52,421.44, 72,340.64 and 30,063.68

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Solution

The fourth proportional to 52,421.44, 72,340.64 and 30,063.68 is: 41,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,421.44 : 72,340.64 = 30,063.68 : x
  2. Step 2: Convert to fraction form
    52,421.44/72,340.64 = 30,063.68/x
  3. Step 3: Cross multiply
    52,421.44x = 72,340.64 × 30,063.68
  4. Step 4: Simplify right side
    52,421.44x = 2,174,825,851.96
  5. Step 5: Solve for x
    x = 2,174,825,851.96/52,421.44
  6. Step 6: Final answer
    x = 41,487.34

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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.