Home / 63,415.33-87,513.11-35,120.99

Finding the Fourth Proportional to 63,415.33, 87,513.11 and 35,120.99

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Solution

The fourth proportional to 63,415.33, 87,513.11 and 35,120.99 is: 48,466.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,415.33 : 87,513.11 = 35,120.99 : x
  2. Step 2: Convert to fraction form
    63,415.33/87,513.11 = 35,120.99/x
  3. Step 3: Cross multiply
    63,415.33x = 87,513.11 × 35,120.99
  4. Step 4: Simplify right side
    63,415.33x = 3,073,547,061.18
  5. Step 5: Solve for x
    x = 3,073,547,061.18/63,415.33
  6. Step 6: Final answer
    x = 48,466.94

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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.