Home / 56,241.16-77,610.12-30,748.84

Finding the Fourth Proportional to 56,241.16, 77,610.12 and 30,748.84

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Solution

The fourth proportional to 56,241.16, 77,610.12 and 30,748.84 is: 42,431.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,241.16 : 77,610.12 = 30,748.84 : x
  2. Step 2: Convert to fraction form
    56,241.16/77,610.12 = 30,748.84/x
  3. Step 3: Cross multiply
    56,241.16x = 77,610.12 × 30,748.84
  4. Step 4: Simplify right side
    56,241.16x = 2,386,421,162.26
  5. Step 5: Solve for x
    x = 2,386,421,162.26/56,241.16
  6. Step 6: Final answer
    x = 42,431.93

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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.