Home / 30,377.04-45,566.93-9,315.54

Finding the Fourth Proportional to 30,377.04, 45,566.93 and 9,315.54

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Solution

The fourth proportional to 30,377.04, 45,566.93 and 9,315.54 is: 13,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,377.04 : 45,566.93 = 9,315.54 : x
  2. Step 2: Convert to fraction form
    30,377.04/45,566.93 = 9,315.54/x
  3. Step 3: Cross multiply
    30,377.04x = 45,566.93 × 9,315.54
  4. Step 4: Simplify right side
    30,377.04x = 424,480,354.55
  5. Step 5: Solve for x
    x = 424,480,354.55/30,377.04
  6. Step 6: Final answer
    x = 13,973.73

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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.