Home / 35,637.81-53,468.60-11,947.70

Finding the Fourth Proportional to 35,637.81, 53,468.60 and 11,947.70

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Solution

The fourth proportional to 35,637.81, 53,468.60 and 11,947.70 is: 17,925.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,637.81 : 53,468.60 = 11,947.70 : x
  2. Step 2: Convert to fraction form
    35,637.81/53,468.60 = 11,947.70/x
  3. Step 3: Cross multiply
    35,637.81x = 53,468.60 × 11,947.70
  4. Step 4: Simplify right side
    35,637.81x = 638,826,899.76
  5. Step 5: Solve for x
    x = 638,826,899.76/35,637.81
  6. Step 6: Final answer
    x = 17,925.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.