Home / 40,935.80-61,403.70-31,094.30

Finding the Fourth Proportional to 40,935.80, 61,403.70 and 31,094.30

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Solution

The fourth proportional to 40,935.80, 61,403.70 and 31,094.30 is: 46,641.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,935.80 : 61,403.70 = 31,094.30 : x
  2. Step 2: Convert to fraction form
    40,935.80/61,403.70 = 31,094.30/x
  3. Step 3: Cross multiply
    40,935.80x = 61,403.70 × 31,094.30
  4. Step 4: Simplify right side
    40,935.80x = 1,909,305,068.91
  5. Step 5: Solve for x
    x = 1,909,305,068.91/40,935.80
  6. Step 6: Final answer
    x = 46,641.45

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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.