Home / 30,085.52-45,132.47-12,551.32

Finding the Fourth Proportional to 30,085.52, 45,132.47 and 12,551.32

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Solution

The fourth proportional to 30,085.52, 45,132.47 and 12,551.32 is: 18,828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,085.52 : 45,132.47 = 12,551.32 : x
  2. Step 2: Convert to fraction form
    30,085.52/45,132.47 = 12,551.32/x
  3. Step 3: Cross multiply
    30,085.52x = 45,132.47 × 12,551.32
  4. Step 4: Simplify right side
    30,085.52x = 566,471,784.94
  5. Step 5: Solve for x
    x = 566,471,784.94/30,085.52
  6. Step 6: Final answer
    x = 18,828.72

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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.