Home / 51,570.01-71,166.53-28,909.02

Finding the Fourth Proportional to 51,570.01, 71,166.53 and 28,909.02

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Solution

The fourth proportional to 51,570.01, 71,166.53 and 28,909.02 is: 39,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,570.01 : 71,166.53 = 28,909.02 : x
  2. Step 2: Convert to fraction form
    51,570.01/71,166.53 = 28,909.02/x
  3. Step 3: Cross multiply
    51,570.01x = 71,166.53 × 28,909.02
  4. Step 4: Simplify right side
    51,570.01x = 2,057,354,711.37
  5. Step 5: Solve for x
    x = 2,057,354,711.37/51,570.01
  6. Step 6: Final answer
    x = 39,894.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.