Home / 66,632.37-99,998.06-31,572.15

Finding the Fourth Proportional to 66,632.37, 99,998.06 and 31,572.15

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Solution

The fourth proportional to 66,632.37, 99,998.06 and 31,572.15 is: 47,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,632.37 : 99,998.06 = 31,572.15 : x
  2. Step 2: Convert to fraction form
    66,632.37/99,998.06 = 31,572.15/x
  3. Step 3: Cross multiply
    66,632.37x = 99,998.06 × 31,572.15
  4. Step 4: Simplify right side
    66,632.37x = 3,157,153,592.17
  5. Step 5: Solve for x
    x = 3,157,153,592.17/66,632.37
  6. Step 6: Final answer
    x = 47,381.68

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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.