Home / 45,960.40-63,431.32-28,051.68

Finding the Fourth Proportional to 45,960.40, 63,431.32 and 28,051.68

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Solution

The fourth proportional to 45,960.40, 63,431.32 and 28,051.68 is: 38,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,960.40 : 63,431.32 = 28,051.68 : x
  2. Step 2: Convert to fraction form
    45,960.40/63,431.32 = 28,051.68/x
  3. Step 3: Cross multiply
    45,960.40x = 63,431.32 × 28,051.68
  4. Step 4: Simplify right side
    45,960.40x = 1,779,355,090.62
  5. Step 5: Solve for x
    x = 1,779,355,090.62/45,960.40
  6. Step 6: Final answer
    x = 38,714.96

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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.