Home / 51,165.47-76,762.79-37,139.51

Finding the Fourth Proportional to 51,165.47, 76,762.79 and 37,139.51

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Solution

The fourth proportional to 51,165.47, 76,762.79 and 37,139.51 is: 55,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,165.47 : 76,762.79 = 37,139.51 : x
  2. Step 2: Convert to fraction form
    51,165.47/76,762.79 = 37,139.51/x
  3. Step 3: Cross multiply
    51,165.47x = 76,762.79 × 37,139.51
  4. Step 4: Simplify right side
    51,165.47x = 2,850,931,837.32
  5. Step 5: Solve for x
    x = 2,850,931,837.32/51,165.47
  6. Step 6: Final answer
    x = 55,719.85

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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.