Home / 31,572.81-47,334.06-18,230.67

Finding the Fourth Proportional to 31,572.81, 47,334.06 and 18,230.67

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Solution

The fourth proportional to 31,572.81, 47,334.06 and 18,230.67 is: 27,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,572.81 : 47,334.06 = 18,230.67 : x
  2. Step 2: Convert to fraction form
    31,572.81/47,334.06 = 18,230.67/x
  3. Step 3: Cross multiply
    31,572.81x = 47,334.06 × 18,230.67
  4. Step 4: Simplify right side
    31,572.81x = 862,931,627.62
  5. Step 5: Solve for x
    x = 862,931,627.62/31,572.81
  6. Step 6: Final answer
    x = 27,331.48

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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.