Home / 52,900.47-79,351.17-13,457.63

Finding the Fourth Proportional to 52,900.47, 79,351.17 and 13,457.63

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Solution

The fourth proportional to 52,900.47, 79,351.17 and 13,457.63 is: 20,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,900.47 : 79,351.17 = 13,457.63 : x
  2. Step 2: Convert to fraction form
    52,900.47/79,351.17 = 13,457.63/x
  3. Step 3: Cross multiply
    52,900.47x = 79,351.17 × 13,457.63
  4. Step 4: Simplify right side
    52,900.47x = 1,067,878,289.17
  5. Step 5: Solve for x
    x = 1,067,878,289.17/52,900.47
  6. Step 6: Final answer
    x = 20,186.56

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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.