Home / 53,152.55-79,731.74-21,557.92

Finding the Fourth Proportional to 53,152.55, 79,731.74 and 21,557.92

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Solution

The fourth proportional to 53,152.55, 79,731.74 and 21,557.92 is: 32,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,152.55 : 79,731.74 = 21,557.92 : x
  2. Step 2: Convert to fraction form
    53,152.55/79,731.74 = 21,557.92/x
  3. Step 3: Cross multiply
    53,152.55x = 79,731.74 × 21,557.92
  4. Step 4: Simplify right side
    53,152.55x = 1,718,850,700.69
  5. Step 5: Solve for x
    x = 1,718,850,700.69/53,152.55
  6. Step 6: Final answer
    x = 32,338.06

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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.