Home / 30,277.50-45,417.92-11,559.05

Finding the Fourth Proportional to 30,277.50, 45,417.92 and 11,559.05

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Solution

The fourth proportional to 30,277.50, 45,417.92 and 11,559.05 is: 17,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277.50 : 45,417.92 = 11,559.05 : x
  2. Step 2: Convert to fraction form
    30,277.50/45,417.92 = 11,559.05/x
  3. Step 3: Cross multiply
    30,277.50x = 45,417.92 × 11,559.05
  4. Step 4: Simplify right side
    30,277.50x = 524,988,149.08
  5. Step 5: Solve for x
    x = 524,988,149.08/30,277.50
  6. Step 6: Final answer
    x = 17,339.22

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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.