Home / 34,710.40-52,065.60-13,948.80

Finding the Fourth Proportional to 34,710.40, 52,065.60 and 13,948.80

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Solution

The fourth proportional to 34,710.40, 52,065.60 and 13,948.80 is: 20,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,710.40 : 52,065.60 = 13,948.80 : x
  2. Step 2: Convert to fraction form
    34,710.40/52,065.60 = 13,948.80/x
  3. Step 3: Cross multiply
    34,710.40x = 52,065.60 × 13,948.80
  4. Step 4: Simplify right side
    34,710.40x = 726,252,641.28
  5. Step 5: Solve for x
    x = 726,252,641.28/34,710.40
  6. Step 6: Final answer
    x = 20,923.20

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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.