Home / 43,443.69-65,118.96-28,445.12

Finding the Fourth Proportional to 43,443.69, 65,118.96 and 28,445.12

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Solution

The fourth proportional to 43,443.69, 65,118.96 and 28,445.12 is: 42,637.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,443.69 : 65,118.96 = 28,445.12 : x
  2. Step 2: Convert to fraction form
    43,443.69/65,118.96 = 28,445.12/x
  3. Step 3: Cross multiply
    43,443.69x = 65,118.96 × 28,445.12
  4. Step 4: Simplify right side
    43,443.69x = 1,852,316,794.27
  5. Step 5: Solve for x
    x = 1,852,316,794.27/43,443.69
  6. Step 6: Final answer
    x = 42,637.19

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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.