Home / 42,638.40-58,855.68-25,652.16

Finding the Fourth Proportional to 42,638.40, 58,855.68 and 25,652.16

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Solution

The fourth proportional to 42,638.40, 58,855.68 and 25,652.16 is: 35,408.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,638.40 : 58,855.68 = 25,652.16 : x
  2. Step 2: Convert to fraction form
    42,638.40/58,855.68 = 25,652.16/x
  3. Step 3: Cross multiply
    42,638.40x = 58,855.68 × 25,652.16
  4. Step 4: Simplify right side
    42,638.40x = 1,509,775,320.27
  5. Step 5: Solve for x
    x = 1,509,775,320.27/42,638.40
  6. Step 6: Final answer
    x = 35,408.82

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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.