Home / 30,950.04-42,711.56-16,802.88

Finding the Fourth Proportional to 30,950.04, 42,711.56 and 16,802.88

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Solution

The fourth proportional to 30,950.04, 42,711.56 and 16,802.88 is: 23,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,950.04 : 42,711.56 = 16,802.88 : x
  2. Step 2: Convert to fraction form
    30,950.04/42,711.56 = 16,802.88/x
  3. Step 3: Cross multiply
    30,950.04x = 42,711.56 × 16,802.88
  4. Step 4: Simplify right side
    30,950.04x = 717,677,217.29
  5. Step 5: Solve for x
    x = 717,677,217.29/30,950.04
  6. Step 6: Final answer
    x = 23,188.25

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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.