Home / 30,920.68-46,250.92-28,677.20

Finding the Fourth Proportional to 30,920.68, 46,250.92 and 28,677.20

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Solution

The fourth proportional to 30,920.68, 46,250.92 and 28,677.20 is: 42,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,920.68 : 46,250.92 = 28,677.20 : x
  2. Step 2: Convert to fraction form
    30,920.68/46,250.92 = 28,677.20/x
  3. Step 3: Cross multiply
    30,920.68x = 46,250.92 × 28,677.20
  4. Step 4: Simplify right side
    30,920.68x = 1,326,346,883.02
  5. Step 5: Solve for x
    x = 1,326,346,883.02/30,920.68
  6. Step 6: Final answer
    x = 42,895.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.