Home / 39,473.10-54,476.57-21,570.77

Finding the Fourth Proportional to 39,473.10, 54,476.57 and 21,570.77

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Solution

The fourth proportional to 39,473.10, 54,476.57 and 21,570.77 is: 29,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,473.10 : 54,476.57 = 21,570.77 : x
  2. Step 2: Convert to fraction form
    39,473.10/54,476.57 = 21,570.77/x
  3. Step 3: Cross multiply
    39,473.10x = 54,476.57 × 21,570.77
  4. Step 4: Simplify right side
    39,473.10x = 1,175,101,343.40
  5. Step 5: Solve for x
    x = 1,175,101,343.40/39,473.10
  6. Step 6: Final answer
    x = 29,769.67

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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.