Home / 35,875.20-53,810.62-13,381.54

Finding the Fourth Proportional to 35,875.20, 53,810.62 and 13,381.54

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Solution

The fourth proportional to 35,875.20, 53,810.62 and 13,381.54 is: 20,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,875.20 : 53,810.62 = 13,381.54 : x
  2. Step 2: Convert to fraction form
    35,875.20/53,810.62 = 13,381.54/x
  3. Step 3: Cross multiply
    35,875.20x = 53,810.62 × 13,381.54
  4. Step 4: Simplify right side
    35,875.20x = 720,068,846.42
  5. Step 5: Solve for x
    x = 720,068,846.42/35,875.20
  6. Step 6: Final answer
    x = 20,071.50

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1.5x scale

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.