Home / 56,862.28-78,473.46-31,368.52

Finding the Fourth Proportional to 56,862.28, 78,473.46 and 31,368.52

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Solution

The fourth proportional to 56,862.28, 78,473.46 and 31,368.52 is: 43,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,862.28 : 78,473.46 = 31,368.52 : x
  2. Step 2: Convert to fraction form
    56,862.28/78,473.46 = 31,368.52/x
  3. Step 3: Cross multiply
    56,862.28x = 78,473.46 × 31,368.52
  4. Step 4: Simplify right side
    56,862.28x = 2,461,596,299.48
  5. Step 5: Solve for x
    x = 2,461,596,299.48/56,862.28
  6. Step 6: Final answer
    x = 43,290.50

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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.