Home / 29,905.54-40,970.77-28,784.50

Finding the Fourth Proportional to 29,905.54, 40,970.77 and 28,784.50

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Solution

The fourth proportional to 29,905.54, 40,970.77 and 28,784.50 is: 39,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,905.54 : 40,970.77 = 28,784.50 : x
  2. Step 2: Convert to fraction form
    29,905.54/40,970.77 = 28,784.50/x
  3. Step 3: Cross multiply
    29,905.54x = 40,970.77 × 28,784.50
  4. Step 4: Simplify right side
    29,905.54x = 1,179,323,129.07
  5. Step 5: Solve for x
    x = 1,179,323,129.07/29,905.54
  6. Step 6: Final answer
    x = 39,434.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.