Home / 56,969.84-78,618.11-31,476.20

Finding the Fourth Proportional to 56,969.84, 78,618.11 and 31,476.20

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Solution

The fourth proportional to 56,969.84, 78,618.11 and 31,476.20 is: 43,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,969.84 : 78,618.11 = 31,476.20 : x
  2. Step 2: Convert to fraction form
    56,969.84/78,618.11 = 31,476.20/x
  3. Step 3: Cross multiply
    56,969.84x = 78,618.11 × 31,476.20
  4. Step 4: Simplify right side
    56,969.84x = 2,474,598,803.51
  5. Step 5: Solve for x
    x = 2,474,598,803.51/56,969.84
  6. Step 6: Final answer
    x = 43,437.00

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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.