Home / 60,011.31-90,073.47-30,450.36

Finding the Fourth Proportional to 60,011.31, 90,073.47 and 30,450.36

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Solution

The fourth proportional to 60,011.31, 90,073.47 and 30,450.36 is: 45,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,011.31 : 90,073.47 = 30,450.36 : x
  2. Step 2: Convert to fraction form
    60,011.31/90,073.47 = 30,450.36/x
  3. Step 3: Cross multiply
    60,011.31x = 90,073.47 × 30,450.36
  4. Step 4: Simplify right side
    60,011.31x = 2,742,769,435.70
  5. Step 5: Solve for x
    x = 2,742,769,435.70/60,011.31
  6. Step 6: Final answer
    x = 45,704.21

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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.