Home / 39,611.79-59,386.85-19,607.48

Finding the Fourth Proportional to 39,611.79, 59,386.85 and 19,607.48

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Solution

The fourth proportional to 39,611.79, 59,386.85 and 19,607.48 is: 29,395.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611.79 : 59,386.85 = 19,607.48 : x
  2. Step 2: Convert to fraction form
    39,611.79/59,386.85 = 19,607.48/x
  3. Step 3: Cross multiply
    39,611.79x = 59,386.85 × 19,607.48
  4. Step 4: Simplify right side
    39,611.79x = 1,164,426,403.26
  5. Step 5: Solve for x
    x = 1,164,426,403.26/39,611.79
  6. Step 6: Final answer
    x = 29,395.95

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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.