Home / 30,011.52-41,405.94-18,070.32

Finding the Fourth Proportional to 30,011.52, 41,405.94 and 18,070.32

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Solution

The fourth proportional to 30,011.52, 41,405.94 and 18,070.32 is: 24,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,011.52 : 41,405.94 = 18,070.32 : x
  2. Step 2: Convert to fraction form
    30,011.52/41,405.94 = 18,070.32/x
  3. Step 3: Cross multiply
    30,011.52x = 41,405.94 × 18,070.32
  4. Step 4: Simplify right side
    30,011.52x = 748,218,585.70
  5. Step 5: Solve for x
    x = 748,218,585.70/30,011.52
  6. Step 6: Final answer
    x = 24,931.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.