Home / 39,252.08-54,165.65-21,347.08

Finding the Fourth Proportional to 39,252.08, 54,165.65 and 21,347.08

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Solution

The fourth proportional to 39,252.08, 54,165.65 and 21,347.08 is: 29,457.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,252.08 : 54,165.65 = 21,347.08 : x
  2. Step 2: Convert to fraction form
    39,252.08/54,165.65 = 21,347.08/x
  3. Step 3: Cross multiply
    39,252.08x = 54,165.65 × 21,347.08
  4. Step 4: Simplify right side
    39,252.08x = 1,156,278,706.45
  5. Step 5: Solve for x
    x = 1,156,278,706.45/39,252.08
  6. Step 6: Final answer
    x = 29,457.77

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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.