Home / 32,835.78-45,313.29-17,931.78

Finding the Fourth Proportional to 32,835.78, 45,313.29 and 17,931.78

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Solution

The fourth proportional to 32,835.78, 45,313.29 and 17,931.78 is: 24,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,835.78 : 45,313.29 = 17,931.78 : x
  2. Step 2: Convert to fraction form
    32,835.78/45,313.29 = 17,931.78/x
  3. Step 3: Cross multiply
    32,835.78x = 45,313.29 × 17,931.78
  4. Step 4: Simplify right side
    32,835.78x = 812,547,947.36
  5. Step 5: Solve for x
    x = 812,547,947.36/32,835.78
  6. Step 6: Final answer
    x = 24,745.81

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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.