Home / 53,127.14-73,315.67-31,906.76

Finding the Fourth Proportional to 53,127.14, 73,315.67 and 31,906.76

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Solution

The fourth proportional to 53,127.14, 73,315.67 and 31,906.76 is: 44,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,127.14 : 73,315.67 = 31,906.76 : x
  2. Step 2: Convert to fraction form
    53,127.14/73,315.67 = 31,906.76/x
  3. Step 3: Cross multiply
    53,127.14x = 73,315.67 × 31,906.76
  4. Step 4: Simplify right side
    53,127.14x = 2,339,264,960.82
  5. Step 5: Solve for x
    x = 2,339,264,960.82/53,127.14
  6. Step 6: Final answer
    x = 44,031.45

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1.5x scale

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.