Home / 30,073.52-45,116.76-12,534.32

Finding the Fourth Proportional to 30,073.52, 45,116.76 and 12,534.32

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Solution

The fourth proportional to 30,073.52, 45,116.76 and 12,534.32 is: 18,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073.52 : 45,116.76 = 12,534.32 : x
  2. Step 2: Convert to fraction form
    30,073.52/45,116.76 = 12,534.32/x
  3. Step 3: Cross multiply
    30,073.52x = 45,116.76 × 12,534.32
  4. Step 4: Simplify right side
    30,073.52x = 565,507,907.20
  5. Step 5: Solve for x
    x = 565,507,907.20/30,073.52
  6. Step 6: Final answer
    x = 18,804.18

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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.