Home / 40,710.48-61,159.28-28,893.60

Finding the Fourth Proportional to 40,710.48, 61,159.28 and 28,893.60

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Solution

The fourth proportional to 40,710.48, 61,159.28 and 28,893.60 is: 43,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,710.48 : 61,159.28 = 28,893.60 : x
  2. Step 2: Convert to fraction form
    40,710.48/61,159.28 = 28,893.60/x
  3. Step 3: Cross multiply
    40,710.48x = 61,159.28 × 28,893.60
  4. Step 4: Simplify right side
    40,710.48x = 1,767,111,628.14
  5. Step 5: Solve for x
    x = 1,767,111,628.14/40,710.48
  6. Step 6: Final answer
    x = 43,406.80

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1.5x scale

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.