Home / 40,259.90-60,406.93-21,535.06

Finding the Fourth Proportional to 40,259.90, 60,406.93 and 21,535.06

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Solution

The fourth proportional to 40,259.90, 60,406.93 and 21,535.06 is: 32,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,259.90 : 60,406.93 = 21,535.06 : x
  2. Step 2: Convert to fraction form
    40,259.90/60,406.93 = 21,535.06/x
  3. Step 3: Cross multiply
    40,259.90x = 60,406.93 × 21,535.06
  4. Step 4: Simplify right side
    40,259.90x = 1,300,866,861.97
  5. Step 5: Solve for x
    x = 1,300,866,861.97/40,259.90
  6. Step 6: Final answer
    x = 32,311.73

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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.