Home / 30,086.64-45,130.05-10,364.94

Finding the Fourth Proportional to 30,086.64, 45,130.05 and 10,364.94

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Solution

The fourth proportional to 30,086.64, 45,130.05 and 10,364.94 is: 15,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.64 : 45,130.05 = 10,364.94 : x
  2. Step 2: Convert to fraction form
    30,086.64/45,130.05 = 10,364.94/x
  3. Step 3: Cross multiply
    30,086.64x = 45,130.05 × 10,364.94
  4. Step 4: Simplify right side
    30,086.64x = 467,770,260.45
  5. Step 5: Solve for x
    x = 467,770,260.45/30,086.64
  6. Step 6: Final answer
    x = 15,547.44

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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.