Home / 30,060.25-45,097.80-9,283.75

Finding the Fourth Proportional to 30,060.25, 45,097.80 and 9,283.75

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Solution

The fourth proportional to 30,060.25, 45,097.80 and 9,283.75 is: 13,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,060.25 : 45,097.80 = 9,283.75 : x
  2. Step 2: Convert to fraction form
    30,060.25/45,097.80 = 9,283.75/x
  3. Step 3: Cross multiply
    30,060.25x = 45,097.80 × 9,283.75
  4. Step 4: Simplify right side
    30,060.25x = 418,676,700.75
  5. Step 5: Solve for x
    x = 418,676,700.75/30,060.25
  6. Step 6: Final answer
    x = 13,927.92

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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.