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Finding the Fourth Proportional to 60,003.60, 89,983.80 and 30,411.60

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Solution

The fourth proportional to 60,003.60, 89,983.80 and 30,411.60 is: 45,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,003.60 : 89,983.80 = 30,411.60 : x
  2. Step 2: Convert to fraction form
    60,003.60/89,983.80 = 30,411.60/x
  3. Step 3: Cross multiply
    60,003.60x = 89,983.80 × 30,411.60
  4. Step 4: Simplify right side
    60,003.60x = 2,736,551,332.08
  5. Step 5: Solve for x
    x = 2,736,551,332.08/60,003.60
  6. Step 6: Final answer
    x = 45,606.45

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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.