Home / 30,848.80-42,571.08-16,701.52

Finding the Fourth Proportional to 30,848.80, 42,571.08 and 16,701.52

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Solution

The fourth proportional to 30,848.80, 42,571.08 and 16,701.52 is: 23,047.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.80 : 42,571.08 = 16,701.52 : x
  2. Step 2: Convert to fraction form
    30,848.80/42,571.08 = 16,701.52/x
  3. Step 3: Cross multiply
    30,848.80x = 42,571.08 × 16,701.52
  4. Step 4: Simplify right side
    30,848.80x = 711,001,744.04
  5. Step 5: Solve for x
    x = 711,001,744.04/30,848.80
  6. Step 6: Final answer
    x = 23,047.95

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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.