Home / 53,208.90-73,428.66-29,338.20

Finding the Fourth Proportional to 53,208.90, 73,428.66 and 29,338.20

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Solution

The fourth proportional to 53,208.90, 73,428.66 and 29,338.20 is: 40,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,208.90 : 73,428.66 = 29,338.20 : x
  2. Step 2: Convert to fraction form
    53,208.90/73,428.66 = 29,338.20/x
  3. Step 3: Cross multiply
    53,208.90x = 73,428.66 × 29,338.20
  4. Step 4: Simplify right side
    53,208.90x = 2,154,264,712.81
  5. Step 5: Solve for x
    x = 2,154,264,712.81/53,208.90
  6. Step 6: Final answer
    x = 40,486.92

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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.