Home / 66,623.46-99,984.48-31,563.18

Finding the Fourth Proportional to 66,623.46, 99,984.48 and 31,563.18

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Solution

The fourth proportional to 66,623.46, 99,984.48 and 31,563.18 is: 47,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,623.46 : 99,984.48 = 31,563.18 : x
  2. Step 2: Convert to fraction form
    66,623.46/99,984.48 = 31,563.18/x
  3. Step 3: Cross multiply
    66,623.46x = 99,984.48 × 31,563.18
  4. Step 4: Simplify right side
    66,623.46x = 3,155,828,139.45
  5. Step 5: Solve for x
    x = 3,155,828,139.45/66,623.46
  6. Step 6: Final answer
    x = 47,368.12

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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.