Home / 53,243.28-79,728.33-51,666.63

Finding the Fourth Proportional to 53,243.28, 79,728.33 and 51,666.63

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Solution

The fourth proportional to 53,243.28, 79,728.33 and 51,666.63 is: 77,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,243.28 : 79,728.33 = 51,666.63 : x
  2. Step 2: Convert to fraction form
    53,243.28/79,728.33 = 51,666.63/x
  3. Step 3: Cross multiply
    53,243.28x = 79,728.33 × 51,666.63
  4. Step 4: Simplify right side
    53,243.28x = 4,119,294,126.63
  5. Step 5: Solve for x
    x = 4,119,294,126.63/53,243.28
  6. Step 6: Final answer
    x = 77,367.40

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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.