Home / 66,438.08-99,670.80-26,995.12

Finding the Fourth Proportional to 66,438.08, 99,670.80 and 26,995.12

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Solution

The fourth proportional to 66,438.08, 99,670.80 and 26,995.12 is: 40,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,438.08 : 99,670.80 = 26,995.12 : x
  2. Step 2: Convert to fraction form
    66,438.08/99,670.80 = 26,995.12/x
  3. Step 3: Cross multiply
    66,438.08x = 99,670.80 × 26,995.12
  4. Step 4: Simplify right side
    66,438.08x = 2,690,625,206.50
  5. Step 5: Solve for x
    x = 2,690,625,206.50/66,438.08
  6. Step 6: Final answer
    x = 40,498.24

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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.