Home / 53,389.79-73,671.50-29,513.21

Finding the Fourth Proportional to 53,389.79, 73,671.50 and 29,513.21

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Solution

The fourth proportional to 53,389.79, 73,671.50 and 29,513.21 is: 40,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,389.79 : 73,671.50 = 29,513.21 : x
  2. Step 2: Convert to fraction form
    53,389.79/73,671.50 = 29,513.21/x
  3. Step 3: Cross multiply
    53,389.79x = 73,671.50 × 29,513.21
  4. Step 4: Simplify right side
    53,389.79x = 2,174,281,934.59
  5. Step 5: Solve for x
    x = 2,174,281,934.59/53,389.79
  6. Step 6: Final answer
    x = 40,724.68

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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.