Home / 69,587.49-96,030.72-39,372.21

Finding the Fourth Proportional to 69,587.49, 96,030.72 and 39,372.21

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Solution

The fourth proportional to 69,587.49, 96,030.72 and 39,372.21 is: 54,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,587.49 : 96,030.72 = 39,372.21 : x
  2. Step 2: Convert to fraction form
    69,587.49/96,030.72 = 39,372.21/x
  3. Step 3: Cross multiply
    69,587.49x = 96,030.72 × 39,372.21
  4. Step 4: Simplify right side
    69,587.49x = 3,780,941,674.29
  5. Step 5: Solve for x
    x = 3,780,941,674.29/69,587.49
  6. Step 6: Final answer
    x = 54,333.64

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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.