Home / 39,372.69-54,386.16-29,184.36

Finding the Fourth Proportional to 39,372.69, 54,386.16 and 29,184.36

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Solution

The fourth proportional to 39,372.69, 54,386.16 and 29,184.36 is: 40,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.69 : 54,386.16 = 29,184.36 : x
  2. Step 2: Convert to fraction form
    39,372.69/54,386.16 = 29,184.36/x
  3. Step 3: Cross multiply
    39,372.69x = 54,386.16 × 29,184.36
  4. Step 4: Simplify right side
    39,372.69x = 1,587,225,272.46
  5. Step 5: Solve for x
    x = 1,587,225,272.46/39,372.69
  6. Step 6: Final answer
    x = 40,312.85

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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.