Home / 53,210.78-73,431.36-29,338.29

Finding the Fourth Proportional to 53,210.78, 73,431.36 and 29,338.29

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Solution

The fourth proportional to 53,210.78, 73,431.36 and 29,338.29 is: 40,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,210.78 : 73,431.36 = 29,338.29 : x
  2. Step 2: Convert to fraction form
    53,210.78/73,431.36 = 29,338.29/x
  3. Step 3: Cross multiply
    53,210.78x = 73,431.36 × 29,338.29
  4. Step 4: Simplify right side
    53,210.78x = 2,154,350,534.77
  5. Step 5: Solve for x
    x = 2,154,350,534.77/53,210.78
  6. Step 6: Final answer
    x = 40,487.11

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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.