Home / 51,259.80-76,832.10-26,290.20

Finding the Fourth Proportional to 51,259.80, 76,832.10 and 26,290.20

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Solution

The fourth proportional to 51,259.80, 76,832.10 and 26,290.20 is: 39,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,259.80 : 76,832.10 = 26,290.20 : x
  2. Step 2: Convert to fraction form
    51,259.80/76,832.10 = 26,290.20/x
  3. Step 3: Cross multiply
    51,259.80x = 76,832.10 × 26,290.20
  4. Step 4: Simplify right side
    51,259.80x = 2,019,931,275.42
  5. Step 5: Solve for x
    x = 2,019,931,275.42/51,259.80
  6. Step 6: Final answer
    x = 39,405.76

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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.