Home / 43,498.18-65,271.84-18,535.60

Finding the Fourth Proportional to 43,498.18, 65,271.84 and 18,535.60

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Solution

The fourth proportional to 43,498.18, 65,271.84 and 18,535.60 is: 27,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,498.18 : 65,271.84 = 18,535.60 : x
  2. Step 2: Convert to fraction form
    43,498.18/65,271.84 = 18,535.60/x
  3. Step 3: Cross multiply
    43,498.18x = 65,271.84 × 18,535.60
  4. Step 4: Simplify right side
    43,498.18x = 1,209,852,717.50
  5. Step 5: Solve for x
    x = 1,209,852,717.50/43,498.18
  6. Step 6: Final answer
    x = 27,813.87

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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.