Home / 55,548.63-83,323.13-13,428.63

Finding the Fourth Proportional to 55,548.63, 83,323.13 and 13,428.63

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Solution

The fourth proportional to 55,548.63, 83,323.13 and 13,428.63 is: 20,142.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,548.63 : 83,323.13 = 13,428.63 : x
  2. Step 2: Convert to fraction form
    55,548.63/83,323.13 = 13,428.63/x
  3. Step 3: Cross multiply
    55,548.63x = 83,323.13 × 13,428.63
  4. Step 4: Simplify right side
    55,548.63x = 1,118,915,416.07
  5. Step 5: Solve for x
    x = 1,118,915,416.07/55,548.63
  6. Step 6: Final answer
    x = 20,142.99

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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.