Home / 30,798.46-42,501.81-16,651.27

Finding the Fourth Proportional to 30,798.46, 42,501.81 and 16,651.27

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Solution

The fourth proportional to 30,798.46, 42,501.81 and 16,651.27 is: 22,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,798.46 : 42,501.81 = 16,651.27 : x
  2. Step 2: Convert to fraction form
    30,798.46/42,501.81 = 16,651.27/x
  3. Step 3: Cross multiply
    30,798.46x = 42,501.81 × 16,651.27
  4. Step 4: Simplify right side
    30,798.46x = 707,709,113.80
  5. Step 5: Solve for x
    x = 707,709,113.80/30,798.46
  6. Step 6: Final answer
    x = 22,978.72

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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.