Home / 61,152.49-91,743.18-19,030.60

Finding the Fourth Proportional to 61,152.49, 91,743.18 and 19,030.60

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Solution

The fourth proportional to 61,152.49, 91,743.18 and 19,030.60 is: 28,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,152.49 : 91,743.18 = 19,030.60 : x
  2. Step 2: Convert to fraction form
    61,152.49/91,743.18 = 19,030.60/x
  3. Step 3: Cross multiply
    61,152.49x = 91,743.18 × 19,030.60
  4. Step 4: Simplify right side
    61,152.49x = 1,745,927,761.31
  5. Step 5: Solve for x
    x = 1,745,927,761.31/61,152.49
  6. Step 6: Final answer
    x = 28,550.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.