Home / 43,188.48-64,802.16-19,497.60

Finding the Fourth Proportional to 43,188.48, 64,802.16 and 19,497.60

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Solution

The fourth proportional to 43,188.48, 64,802.16 and 19,497.60 is: 29,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,188.48 : 64,802.16 = 19,497.60 : x
  2. Step 2: Convert to fraction form
    43,188.48/64,802.16 = 19,497.60/x
  3. Step 3: Cross multiply
    43,188.48x = 64,802.16 × 19,497.60
  4. Step 4: Simplify right side
    43,188.48x = 1,263,486,594.82
  5. Step 5: Solve for x
    x = 1,263,486,594.82/43,188.48
  6. Step 6: Final answer
    x = 29,255.18

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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.