Home / 30,503.04-45,756.90-9,445.20

Finding the Fourth Proportional to 30,503.04, 45,756.90 and 9,445.20

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Solution

The fourth proportional to 30,503.04, 45,756.90 and 9,445.20 is: 14,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,503.04 : 45,756.90 = 9,445.20 : x
  2. Step 2: Convert to fraction form
    30,503.04/45,756.90 = 9,445.20/x
  3. Step 3: Cross multiply
    30,503.04x = 45,756.90 × 9,445.20
  4. Step 4: Simplify right side
    30,503.04x = 432,183,071.88
  5. Step 5: Solve for x
    x = 432,183,071.88/30,503.04
  6. Step 6: Final answer
    x = 14,168.52

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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.