Home / 39,302.74-54,237.45-21,397.71

Finding the Fourth Proportional to 39,302.74, 54,237.45 and 21,397.71

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Solution

The fourth proportional to 39,302.74, 54,237.45 and 21,397.71 is: 29,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,302.74 : 54,237.45 = 21,397.71 : x
  2. Step 2: Convert to fraction form
    39,302.74/54,237.45 = 21,397.71/x
  3. Step 3: Cross multiply
    39,302.74x = 54,237.45 × 21,397.71
  4. Step 4: Simplify right side
    39,302.74x = 1,160,557,509.87
  5. Step 5: Solve for x
    x = 1,160,557,509.87/39,302.74
  6. Step 6: Final answer
    x = 29,528.67

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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.