Home / 76,817.19-115,225.65-30,037.26

Finding the Fourth Proportional to 76,817.19, 115,225.65 and 30,037.26

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Solution

The fourth proportional to 76,817.19, 115,225.65 and 30,037.26 is: 45,055.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,817.19 : 115,225.65 = 30,037.26 : x
  2. Step 2: Convert to fraction form
    76,817.19/115,225.65 = 30,037.26/x
  3. Step 3: Cross multiply
    76,817.19x = 115,225.65 × 30,037.26
  4. Step 4: Simplify right side
    76,817.19x = 3,461,062,807.72
  5. Step 5: Solve for x
    x = 3,461,062,807.72/76,817.19
  6. Step 6: Final answer
    x = 45,055.84

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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.