Home / 42,170.26-58,238.54-36,477.68

Finding the Fourth Proportional to 42,170.26, 58,238.54 and 36,477.68

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Solution

The fourth proportional to 42,170.26, 58,238.54 and 36,477.68 is: 50,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170.26 : 58,238.54 = 36,477.68 : x
  2. Step 2: Convert to fraction form
    42,170.26/58,238.54 = 36,477.68/x
  3. Step 3: Cross multiply
    42,170.26x = 58,238.54 × 36,477.68
  4. Step 4: Simplify right side
    42,170.26x = 2,124,406,643.40
  5. Step 5: Solve for x
    x = 2,124,406,643.40/42,170.26
  6. Step 6: Final answer
    x = 50,376.89

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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.