Home / 45,142.65-62,280.13-29,235.87

Finding the Fourth Proportional to 45,142.65, 62,280.13 and 29,235.87

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Solution

The fourth proportional to 45,142.65, 62,280.13 and 29,235.87 is: 40,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,142.65 : 62,280.13 = 29,235.87 : x
  2. Step 2: Convert to fraction form
    45,142.65/62,280.13 = 29,235.87/x
  3. Step 3: Cross multiply
    45,142.65x = 62,280.13 × 29,235.87
  4. Step 4: Simplify right side
    45,142.65x = 1,820,813,939.96
  5. Step 5: Solve for x
    x = 1,820,813,939.96/45,142.65
  6. Step 6: Final answer
    x = 40,334.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.