Home / 56,895.12-78,510.60-31,744.08

Finding the Fourth Proportional to 56,895.12, 78,510.60 and 31,744.08

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Solution

The fourth proportional to 56,895.12, 78,510.60 and 31,744.08 is: 43,804.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,895.12 : 78,510.60 = 31,744.08 : x
  2. Step 2: Convert to fraction form
    56,895.12/78,510.60 = 31,744.08/x
  3. Step 3: Cross multiply
    56,895.12x = 78,510.60 × 31,744.08
  4. Step 4: Simplify right side
    56,895.12x = 2,492,246,767.25
  5. Step 5: Solve for x
    x = 2,492,246,767.25/56,895.12
  6. Step 6: Final answer
    x = 43,804.23

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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.