Home / 30,628.64-45,913.80-9,837.56

Finding the Fourth Proportional to 30,628.64, 45,913.80 and 9,837.56

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Solution

The fourth proportional to 30,628.64, 45,913.80 and 9,837.56 is: 14,746.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,628.64 : 45,913.80 = 9,837.56 : x
  2. Step 2: Convert to fraction form
    30,628.64/45,913.80 = 9,837.56/x
  3. Step 3: Cross multiply
    30,628.64x = 45,913.80 × 9,837.56
  4. Step 4: Simplify right side
    30,628.64x = 451,679,914.00
  5. Step 5: Solve for x
    x = 451,679,914.00/30,628.64
  6. Step 6: Final answer
    x = 14,746.98

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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.