Home / 30,594.72-45,776.08-18,121.44

Finding the Fourth Proportional to 30,594.72, 45,776.08 and 18,121.44

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Solution

The fourth proportional to 30,594.72, 45,776.08 and 18,121.44 is: 27,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,594.72 : 45,776.08 = 18,121.44 : x
  2. Step 2: Convert to fraction form
    30,594.72/45,776.08 = 18,121.44/x
  3. Step 3: Cross multiply
    30,594.72x = 45,776.08 × 18,121.44
  4. Step 4: Simplify right side
    30,594.72x = 829,528,487.16
  5. Step 5: Solve for x
    x = 829,528,487.16/30,594.72
  6. Step 6: Final answer
    x = 27,113.45

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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.