Home / 35,116.25-48,461.30-21,318.75

Finding the Fourth Proportional to 35,116.25, 48,461.30 and 21,318.75

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Solution

The fourth proportional to 35,116.25, 48,461.30 and 21,318.75 is: 29,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,116.25 : 48,461.30 = 21,318.75 : x
  2. Step 2: Convert to fraction form
    35,116.25/48,461.30 = 21,318.75/x
  3. Step 3: Cross multiply
    35,116.25x = 48,461.30 × 21,318.75
  4. Step 4: Simplify right side
    35,116.25x = 1,033,134,271.52
  5. Step 5: Solve for x
    x = 1,033,134,271.52/35,116.25
  6. Step 6: Final answer
    x = 29,420.40

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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.