Home / 30,756.48-42,443.95-16,609.32

Finding the Fourth Proportional to 30,756.48, 42,443.95 and 16,609.32

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Solution

The fourth proportional to 30,756.48, 42,443.95 and 16,609.32 is: 22,920.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,756.48 : 42,443.95 = 16,609.32 : x
  2. Step 2: Convert to fraction form
    30,756.48/42,443.95 = 16,609.32/x
  3. Step 3: Cross multiply
    30,756.48x = 42,443.95 × 16,609.32
  4. Step 4: Simplify right side
    30,756.48x = 704,965,246.22
  5. Step 5: Solve for x
    x = 704,965,246.22/30,756.48
  6. Step 6: Final answer
    x = 22,920.87

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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.