Home / 64,116.89-88,484.67-38,631.26

Finding the Fourth Proportional to 64,116.89, 88,484.67 and 38,631.26

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Solution

The fourth proportional to 64,116.89, 88,484.67 and 38,631.26 is: 53,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,116.89 : 88,484.67 = 38,631.26 : x
  2. Step 2: Convert to fraction form
    64,116.89/88,484.67 = 38,631.26/x
  3. Step 3: Cross multiply
    64,116.89x = 88,484.67 × 38,631.26
  4. Step 4: Simplify right side
    64,116.89x = 3,418,273,850.36
  5. Step 5: Solve for x
    x = 3,418,273,850.36/64,116.89
  6. Step 6: Final answer
    x = 53,313.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.