Home / 52,840.28-79,259.27-12,859.45

Finding the Fourth Proportional to 52,840.28, 79,259.27 and 12,859.45

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Solution

The fourth proportional to 52,840.28, 79,259.27 and 12,859.45 is: 19,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,840.28 : 79,259.27 = 12,859.45 : x
  2. Step 2: Convert to fraction form
    52,840.28/79,259.27 = 12,859.45/x
  3. Step 3: Cross multiply
    52,840.28x = 79,259.27 × 12,859.45
  4. Step 4: Simplify right side
    52,840.28x = 1,019,230,159.01
  5. Step 5: Solve for x
    x = 1,019,230,159.01/52,840.28
  6. Step 6: Final answer
    x = 19,288.89

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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.