Home / 35,554.55-53,320.88-18,905.40

Finding the Fourth Proportional to 35,554.55, 53,320.88 and 18,905.40

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Solution

The fourth proportional to 35,554.55, 53,320.88 and 18,905.40 is: 28,352.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,554.55 : 53,320.88 = 18,905.40 : x
  2. Step 2: Convert to fraction form
    35,554.55/53,320.88 = 18,905.40/x
  3. Step 3: Cross multiply
    35,554.55x = 53,320.88 × 18,905.40
  4. Step 4: Simplify right side
    35,554.55x = 1,008,052,612.02
  5. Step 5: Solve for x
    x = 1,008,052,612.02/35,554.55
  6. Step 6: Final answer
    x = 28,352.29

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1.5x scale

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.