Home / 30,032.45-45,041.68-11,314.36

Finding the Fourth Proportional to 30,032.45, 45,041.68 and 11,314.36

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Solution

The fourth proportional to 30,032.45, 45,041.68 and 11,314.36 is: 16,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,032.45 : 45,041.68 = 11,314.36 : x
  2. Step 2: Convert to fraction form
    30,032.45/45,041.68 = 11,314.36/x
  3. Step 3: Cross multiply
    30,032.45x = 45,041.68 × 11,314.36
  4. Step 4: Simplify right side
    30,032.45x = 509,617,641.63
  5. Step 5: Solve for x
    x = 509,617,641.63/30,032.45
  6. Step 6: Final answer
    x = 16,968.90

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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.