Home / 53,813.16-74,253.60-29,939.76

Finding the Fourth Proportional to 53,813.16, 74,253.60 and 29,939.76

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Solution

The fourth proportional to 53,813.16, 74,253.60 and 29,939.76 is: 41,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,813.16 : 74,253.60 = 29,939.76 : x
  2. Step 2: Convert to fraction form
    53,813.16/74,253.60 = 29,939.76/x
  3. Step 3: Cross multiply
    53,813.16x = 74,253.60 × 29,939.76
  4. Step 4: Simplify right side
    53,813.16x = 2,223,134,963.14
  5. Step 5: Solve for x
    x = 2,223,134,963.14/53,813.16
  6. Step 6: Final answer
    x = 41,312.11

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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.