Home / 34,320.40-51,480.60-17,657.20

Finding the Fourth Proportional to 34,320.40, 51,480.60 and 17,657.20

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Solution

The fourth proportional to 34,320.40, 51,480.60 and 17,657.20 is: 26,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,320.40 : 51,480.60 = 17,657.20 : x
  2. Step 2: Convert to fraction form
    34,320.40/51,480.60 = 17,657.20/x
  3. Step 3: Cross multiply
    34,320.40x = 51,480.60 × 17,657.20
  4. Step 4: Simplify right side
    34,320.40x = 909,003,250.32
  5. Step 5: Solve for x
    x = 909,003,250.32/34,320.40
  6. Step 6: Final answer
    x = 26,485.80

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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.