Home / 30,288.08-45,451.56-14,697.20

Finding the Fourth Proportional to 30,288.08, 45,451.56 and 14,697.20

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Solution

The fourth proportional to 30,288.08, 45,451.56 and 14,697.20 is: 22,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.08 : 45,451.56 = 14,697.20 : x
  2. Step 2: Convert to fraction form
    30,288.08/45,451.56 = 14,697.20/x
  3. Step 3: Cross multiply
    30,288.08x = 45,451.56 × 14,697.20
  4. Step 4: Simplify right side
    30,288.08x = 668,010,836.38
  5. Step 5: Solve for x
    x = 668,010,836.38/30,288.08
  6. Step 6: Final answer
    x = 22,055.24

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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.