Home / 49,552.40-74,328.60-43,720.40

Finding the Fourth Proportional to 49,552.40, 74,328.60 and 43,720.40

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Solution

The fourth proportional to 49,552.40, 74,328.60 and 43,720.40 is: 65,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,552.40 : 74,328.60 = 43,720.40 : x
  2. Step 2: Convert to fraction form
    49,552.40/74,328.60 = 43,720.40/x
  3. Step 3: Cross multiply
    49,552.40x = 74,328.60 × 43,720.40
  4. Step 4: Simplify right side
    49,552.40x = 3,249,676,123.44
  5. Step 5: Solve for x
    x = 3,249,676,123.44/49,552.40
  6. Step 6: Final answer
    x = 65,580.60

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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.