Home / 37,681.28-56,487.36-13,040

Finding the Fourth Proportional to 37,681.28, 56,487.36 and 13,040

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Solution

The fourth proportional to 37,681.28, 56,487.36 and 13,040 is: 19,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,681.28 : 56,487.36 = 13,040 : x
  2. Step 2: Convert to fraction form
    37,681.28/56,487.36 = 13,040/x
  3. Step 3: Cross multiply
    37,681.28x = 56,487.36 × 13,040
  4. Step 4: Simplify right side
    37,681.28x = 736,595,174.40
  5. Step 5: Solve for x
    x = 736,595,174.40/37,681.28
  6. Step 6: Final answer
    x = 19,548.04

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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.