Home / 49,405.40-74,117.70-14,346.20

Finding the Fourth Proportional to 49,405.40, 74,117.70 and 14,346.20

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Solution

The fourth proportional to 49,405.40, 74,117.70 and 14,346.20 is: 21,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,405.40 : 74,117.70 = 14,346.20 : x
  2. Step 2: Convert to fraction form
    49,405.40/74,117.70 = 14,346.20/x
  3. Step 3: Cross multiply
    49,405.40x = 74,117.70 × 14,346.20
  4. Step 4: Simplify right side
    49,405.40x = 1,063,307,347.74
  5. Step 5: Solve for x
    x = 1,063,307,347.74/49,405.40
  6. Step 6: Final answer
    x = 21,522.09

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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.