Home / 43,860.72-60,489.54-31,088.64

Finding the Fourth Proportional to 43,860.72, 60,489.54 and 31,088.64

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Solution

The fourth proportional to 43,860.72, 60,489.54 and 31,088.64 is: 42,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,860.72 : 60,489.54 = 31,088.64 : x
  2. Step 2: Convert to fraction form
    43,860.72/60,489.54 = 31,088.64/x
  3. Step 3: Cross multiply
    43,860.72x = 60,489.54 × 31,088.64
  4. Step 4: Simplify right side
    43,860.72x = 1,880,537,532.83
  5. Step 5: Solve for x
    x = 1,880,537,532.83/43,860.72
  6. Step 6: Final answer
    x = 42,875.21

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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.