Home / 53,653.77-74,038.72-29,780.45

Finding the Fourth Proportional to 53,653.77, 74,038.72 and 29,780.45

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Solution

The fourth proportional to 53,653.77, 74,038.72 and 29,780.45 is: 41,095.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,653.77 : 74,038.72 = 29,780.45 : x
  2. Step 2: Convert to fraction form
    53,653.77/74,038.72 = 29,780.45/x
  3. Step 3: Cross multiply
    53,653.77x = 74,038.72 × 29,780.45
  4. Step 4: Simplify right side
    53,653.77x = 2,204,906,399.02
  5. Step 5: Solve for x
    x = 2,204,906,399.02/53,653.77
  6. Step 6: Final answer
    x = 41,095.09

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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.