Home / 56,985.65-78,628.02-33,099.97

Finding the Fourth Proportional to 56,985.65, 78,628.02 and 33,099.97

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Solution

The fourth proportional to 56,985.65, 78,628.02 and 33,099.97 is: 45,670.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,985.65 : 78,628.02 = 33,099.97 : x
  2. Step 2: Convert to fraction form
    56,985.65/78,628.02 = 33,099.97/x
  3. Step 3: Cross multiply
    56,985.65x = 78,628.02 × 33,099.97
  4. Step 4: Simplify right side
    56,985.65x = 2,602,585,103.16
  5. Step 5: Solve for x
    x = 2,602,585,103.16/56,985.65
  6. Step 6: Final answer
    x = 45,670.89

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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.