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Finding the Fourth Proportional to 60,011.44, 90,026.80 and 30,417.28

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Solution

The fourth proportional to 60,011.44, 90,026.80 and 30,417.28 is: 45,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,011.44 : 90,026.80 = 30,417.28 : x
  2. Step 2: Convert to fraction form
    60,011.44/90,026.80 = 30,417.28/x
  3. Step 3: Cross multiply
    60,011.44x = 90,026.80 × 30,417.28
  4. Step 4: Simplify right side
    60,011.44x = 2,738,370,383.10
  5. Step 5: Solve for x
    x = 2,738,370,383.10/60,011.44
  6. Step 6: Final answer
    x = 45,630.81

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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.