Home / 49,649.60-74,430.12-18,463.52

Finding the Fourth Proportional to 49,649.60, 74,430.12 and 18,463.52

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Solution

The fourth proportional to 49,649.60, 74,430.12 and 18,463.52 is: 27,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,649.60 : 74,430.12 = 18,463.52 : x
  2. Step 2: Convert to fraction form
    49,649.60/74,430.12 = 18,463.52/x
  3. Step 3: Cross multiply
    49,649.60x = 74,430.12 × 18,463.52
  4. Step 4: Simplify right side
    49,649.60x = 1,374,242,009.22
  5. Step 5: Solve for x
    x = 1,374,242,009.22/49,649.60
  6. Step 6: Final answer
    x = 27,678.81

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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.