Home / 30,463.65-42,040.08-16,851.45

Finding the Fourth Proportional to 30,463.65, 42,040.08 and 16,851.45

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Solution

The fourth proportional to 30,463.65, 42,040.08 and 16,851.45 is: 23,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,463.65 : 42,040.08 = 16,851.45 : x
  2. Step 2: Convert to fraction form
    30,463.65/42,040.08 = 16,851.45/x
  3. Step 3: Cross multiply
    30,463.65x = 42,040.08 × 16,851.45
  4. Step 4: Simplify right side
    30,463.65x = 708,436,306.12
  5. Step 5: Solve for x
    x = 708,436,306.12/30,463.65
  6. Step 6: Final answer
    x = 23,255.14

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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.