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Finding the Fourth Proportional to 60,009.60, 90,019.50 and 15,636.36

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Solution

The fourth proportional to 60,009.60, 90,019.50 and 15,636.36 is: 23,455.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,009.60 : 90,019.50 = 15,636.36 : x
  2. Step 2: Convert to fraction form
    60,009.60/90,019.50 = 15,636.36/x
  3. Step 3: Cross multiply
    60,009.60x = 90,019.50 × 15,636.36
  4. Step 4: Simplify right side
    60,009.60x = 1,407,577,309.02
  5. Step 5: Solve for x
    x = 1,407,577,309.02/60,009.60
  6. Step 6: Final answer
    x = 23,455.87

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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.