Home / 53,813.85-74,259.63-29,939.91

Finding the Fourth Proportional to 53,813.85, 74,259.63 and 29,939.91

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Solution

The fourth proportional to 53,813.85, 74,259.63 and 29,939.91 is: 41,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,813.85 : 74,259.63 = 29,939.91 : x
  2. Step 2: Convert to fraction form
    53,813.85/74,259.63 = 29,939.91/x
  3. Step 3: Cross multiply
    53,813.85x = 74,259.63 × 29,939.91
  4. Step 4: Simplify right side
    53,813.85x = 2,223,326,638.83
  5. Step 5: Solve for x
    x = 2,223,326,638.83/53,813.85
  6. Step 6: Final answer
    x = 41,315.14

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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.