Home / 56,263.43-77,643.38-31,113.11

Finding the Fourth Proportional to 56,263.43, 77,643.38 and 31,113.11

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Solution

The fourth proportional to 56,263.43, 77,643.38 and 31,113.11 is: 42,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,263.43 : 77,643.38 = 31,113.11 : x
  2. Step 2: Convert to fraction form
    56,263.43/77,643.38 = 31,113.11/x
  3. Step 3: Cross multiply
    56,263.43x = 77,643.38 × 31,113.11
  4. Step 4: Simplify right side
    56,263.43x = 2,415,726,712.28
  5. Step 5: Solve for x
    x = 2,415,726,712.28/56,263.43
  6. Step 6: Final answer
    x = 42,936.01

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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.