Home / 66,432.06-99,430.47-36,400.50

Finding the Fourth Proportional to 66,432.06, 99,430.47 and 36,400.50

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Solution

The fourth proportional to 66,432.06, 99,430.47 and 36,400.50 is: 54,481.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432.06 : 99,430.47 = 36,400.50 : x
  2. Step 2: Convert to fraction form
    66,432.06/99,430.47 = 36,400.50/x
  3. Step 3: Cross multiply
    66,432.06x = 99,430.47 × 36,400.50
  4. Step 4: Simplify right side
    66,432.06x = 3,619,318,823.24
  5. Step 5: Solve for x
    x = 3,619,318,823.24/66,432.06
  6. Step 6: Final answer
    x = 54,481.51

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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.