Home / 66,385.58-99,624.35-26,400.46

Finding the Fourth Proportional to 66,385.58, 99,624.35 and 26,400.46

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Solution

The fourth proportional to 66,385.58, 99,624.35 and 26,400.46 is: 39,618.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,385.58 : 99,624.35 = 26,400.46 : x
  2. Step 2: Convert to fraction form
    66,385.58/99,624.35 = 26,400.46/x
  3. Step 3: Cross multiply
    66,385.58x = 99,624.35 × 26,400.46
  4. Step 4: Simplify right side
    66,385.58x = 2,630,128,982.26
  5. Step 5: Solve for x
    x = 2,630,128,982.26/66,385.58
  6. Step 6: Final answer
    x = 39,618.98

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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.