Home / 39,765.64-59,648.46-38,890.84

Finding the Fourth Proportional to 39,765.64, 59,648.46 and 38,890.84

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Solution

The fourth proportional to 39,765.64, 59,648.46 and 38,890.84 is: 58,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,765.64 : 59,648.46 = 38,890.84 : x
  2. Step 2: Convert to fraction form
    39,765.64/59,648.46 = 38,890.84/x
  3. Step 3: Cross multiply
    39,765.64x = 59,648.46 × 38,890.84
  4. Step 4: Simplify right side
    39,765.64x = 2,319,778,714.11
  5. Step 5: Solve for x
    x = 2,319,778,714.11/39,765.64
  6. Step 6: Final answer
    x = 58,336.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.