Home / 47,127.99-64,988.41-31,206.63

Finding the Fourth Proportional to 47,127.99, 64,988.41 and 31,206.63

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Solution

The fourth proportional to 47,127.99, 64,988.41 and 31,206.63 is: 43,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,127.99 : 64,988.41 = 31,206.63 : x
  2. Step 2: Convert to fraction form
    47,127.99/64,988.41 = 31,206.63/x
  3. Step 3: Cross multiply
    47,127.99x = 64,988.41 × 31,206.63
  4. Step 4: Simplify right side
    47,127.99x = 2,028,069,265.16
  5. Step 5: Solve for x
    x = 2,028,069,265.16/47,127.99
  6. Step 6: Final answer
    x = 43,033.22

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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.