Home / 61,835.28-85,292.34-39,150.63

Finding the Fourth Proportional to 61,835.28, 85,292.34 and 39,150.63

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Solution

The fourth proportional to 61,835.28, 85,292.34 and 39,150.63 is: 54,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,835.28 : 85,292.34 = 39,150.63 : x
  2. Step 2: Convert to fraction form
    61,835.28/85,292.34 = 39,150.63/x
  3. Step 3: Cross multiply
    61,835.28x = 85,292.34 × 39,150.63
  4. Step 4: Simplify right side
    61,835.28x = 3,339,248,845.17
  5. Step 5: Solve for x
    x = 3,339,248,845.17/61,835.28
  6. Step 6: Final answer
    x = 54,002.32

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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.