Home / 45,011.28-61,936-43,641.67

Finding the Fourth Proportional to 45,011.28, 61,936 and 43,641.67

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Solution

The fourth proportional to 45,011.28, 61,936 and 43,641.67 is: 60,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,011.28 : 61,936 = 43,641.67 : x
  2. Step 2: Convert to fraction form
    45,011.28/61,936 = 43,641.67/x
  3. Step 3: Cross multiply
    45,011.28x = 61,936 × 43,641.67
  4. Step 4: Simplify right side
    45,011.28x = 2,702,990,473.12
  5. Step 5: Solve for x
    x = 2,702,990,473.12/45,011.28
  6. Step 6: Final answer
    x = 60,051.40

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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.