Home / 66,051.52-99,000.96-30,438.38

Finding the Fourth Proportional to 66,051.52, 99,000.96 and 30,438.38

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Solution

The fourth proportional to 66,051.52, 99,000.96 and 30,438.38 is: 45,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051.52 : 99,000.96 = 30,438.38 : x
  2. Step 2: Convert to fraction form
    66,051.52/99,000.96 = 30,438.38/x
  3. Step 3: Cross multiply
    66,051.52x = 99,000.96 × 30,438.38
  4. Step 4: Simplify right side
    66,051.52x = 3,013,428,840.84
  5. Step 5: Solve for x
    x = 3,013,428,840.84/66,051.52
  6. Step 6: Final answer
    x = 45,622.40

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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.