Home / 30,195.04-45,292.56-9,420.16

Finding the Fourth Proportional to 30,195.04, 45,292.56 and 9,420.16

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Solution

The fourth proportional to 30,195.04, 45,292.56 and 9,420.16 is: 14,130.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.04 : 45,292.56 = 9,420.16 : x
  2. Step 2: Convert to fraction form
    30,195.04/45,292.56 = 9,420.16/x
  3. Step 3: Cross multiply
    30,195.04x = 45,292.56 × 9,420.16
  4. Step 4: Simplify right side
    30,195.04x = 426,663,162.01
  5. Step 5: Solve for x
    x = 426,663,162.01/30,195.04
  6. Step 6: Final answer
    x = 14,130.24

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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.