Home / 53,240.42-79,855.32-21,652.35

Finding the Fourth Proportional to 53,240.42, 79,855.32 and 21,652.35

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Solution

The fourth proportional to 53,240.42, 79,855.32 and 21,652.35 is: 32,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,240.42 : 79,855.32 = 21,652.35 : x
  2. Step 2: Convert to fraction form
    53,240.42/79,855.32 = 21,652.35/x
  3. Step 3: Cross multiply
    53,240.42x = 79,855.32 × 21,652.35
  4. Step 4: Simplify right side
    53,240.42x = 1,729,054,830.46
  5. Step 5: Solve for x
    x = 1,729,054,830.46/53,240.42
  6. Step 6: Final answer
    x = 32,476.36

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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.