Home / 43,010.12-59,378.64-28,666.16

Finding the Fourth Proportional to 43,010.12, 59,378.64 and 28,666.16

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Solution

The fourth proportional to 43,010.12, 59,378.64 and 28,666.16 is: 39,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,010.12 : 59,378.64 = 28,666.16 : x
  2. Step 2: Convert to fraction form
    43,010.12/59,378.64 = 28,666.16/x
  3. Step 3: Cross multiply
    43,010.12x = 59,378.64 × 28,666.16
  4. Step 4: Simplify right side
    43,010.12x = 1,702,157,594.82
  5. Step 5: Solve for x
    x = 1,702,157,594.82/43,010.12
  6. Step 6: Final answer
    x = 39,575.75

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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.