Home / 53,000.75-79,501.57-15,561.43

Finding the Fourth Proportional to 53,000.75, 79,501.57 and 15,561.43

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Solution

The fourth proportional to 53,000.75, 79,501.57 and 15,561.43 is: 23,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.75 : 79,501.57 = 15,561.43 : x
  2. Step 2: Convert to fraction form
    53,000.75/79,501.57 = 15,561.43/x
  3. Step 3: Cross multiply
    53,000.75x = 79,501.57 × 15,561.43
  4. Step 4: Simplify right side
    53,000.75x = 1,237,157,878.79
  5. Step 5: Solve for x
    x = 1,237,157,878.79/53,000.75
  6. Step 6: Final answer
    x = 23,342.27

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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.