Home / 30,078.02-45,116.50-10,356.14

Finding the Fourth Proportional to 30,078.02, 45,116.50 and 10,356.14

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Solution

The fourth proportional to 30,078.02, 45,116.50 and 10,356.14 is: 15,534.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078.02 : 45,116.50 = 10,356.14 : x
  2. Step 2: Convert to fraction form
    30,078.02/45,116.50 = 10,356.14/x
  3. Step 3: Cross multiply
    30,078.02x = 45,116.50 × 10,356.14
  4. Step 4: Simplify right side
    30,078.02x = 467,232,764.42
  5. Step 5: Solve for x
    x = 467,232,764.42/30,078.02
  6. Step 6: Final answer
    x = 15,534.03

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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.