Home / 61,812.36-85,295.40-34,957.20

Finding the Fourth Proportional to 61,812.36, 85,295.40 and 34,957.20

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Solution

The fourth proportional to 61,812.36, 85,295.40 and 34,957.20 is: 48,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,812.36 : 85,295.40 = 34,957.20 : x
  2. Step 2: Convert to fraction form
    61,812.36/85,295.40 = 34,957.20/x
  3. Step 3: Cross multiply
    61,812.36x = 85,295.40 × 34,957.20
  4. Step 4: Simplify right side
    61,812.36x = 2,981,688,356.88
  5. Step 5: Solve for x
    x = 2,981,688,356.88/61,812.36
  6. Step 6: Final answer
    x = 48,237.74

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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.