Home / 42,421.35-58,539.18-25,426.26

Finding the Fourth Proportional to 42,421.35, 58,539.18 and 25,426.26

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Solution

The fourth proportional to 42,421.35, 58,539.18 and 25,426.26 is: 35,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,421.35 : 58,539.18 = 25,426.26 : x
  2. Step 2: Convert to fraction form
    42,421.35/58,539.18 = 25,426.26/x
  3. Step 3: Cross multiply
    42,421.35x = 58,539.18 × 25,426.26
  4. Step 4: Simplify right side
    42,421.35x = 1,488,432,410.87
  5. Step 5: Solve for x
    x = 1,488,432,410.87/42,421.35
  6. Step 6: Final answer
    x = 35,086.87

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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.