Home / 53,000.12-79,500.64-15,560.82

Finding the Fourth Proportional to 53,000.12, 79,500.64 and 15,560.82

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Solution

The fourth proportional to 53,000.12, 79,500.64 and 15,560.82 is: 23,341.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.12 : 79,500.64 = 15,560.82 : x
  2. Step 2: Convert to fraction form
    53,000.12/79,500.64 = 15,560.82/x
  3. Step 3: Cross multiply
    53,000.12x = 79,500.64 × 15,560.82
  4. Step 4: Simplify right side
    53,000.12x = 1,237,095,148.92
  5. Step 5: Solve for x
    x = 1,237,095,148.92/53,000.12
  6. Step 6: Final answer
    x = 23,341.37

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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.