Home / 85,325.74-127,987.58-22,140.24

Finding the Fourth Proportional to 85,325.74, 127,987.58 and 22,140.24

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Solution

The fourth proportional to 85,325.74, 127,987.58 and 22,140.24 is: 33,210.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,325.74 : 127,987.58 = 22,140.24 : x
  2. Step 2: Convert to fraction form
    85,325.74/127,987.58 = 22,140.24/x
  3. Step 3: Cross multiply
    85,325.74x = 127,987.58 × 22,140.24
  4. Step 4: Simplify right side
    85,325.74x = 2,833,674,987.58
  5. Step 5: Solve for x
    x = 2,833,674,987.58/85,325.74
  6. Step 6: Final answer
    x = 33,210.09

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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.