Home / 53,153.52-79,744.80-15,715.44

Finding the Fourth Proportional to 53,153.52, 79,744.80 and 15,715.44

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Solution

The fourth proportional to 53,153.52, 79,744.80 and 15,715.44 is: 23,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,153.52 : 79,744.80 = 15,715.44 : x
  2. Step 2: Convert to fraction form
    53,153.52/79,744.80 = 15,715.44/x
  3. Step 3: Cross multiply
    53,153.52x = 79,744.80 × 15,715.44
  4. Step 4: Simplify right side
    53,153.52x = 1,253,224,619.71
  5. Step 5: Solve for x
    x = 1,253,224,619.71/53,153.52
  6. Step 6: Final answer
    x = 23,577.45

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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.