Home / 39,784.61-59,683.98-13,132.07

Finding the Fourth Proportional to 39,784.61, 59,683.98 and 13,132.07

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Solution

The fourth proportional to 39,784.61, 59,683.98 and 13,132.07 is: 19,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,784.61 : 59,683.98 = 13,132.07 : x
  2. Step 2: Convert to fraction form
    39,784.61/59,683.98 = 13,132.07/x
  3. Step 3: Cross multiply
    39,784.61x = 59,683.98 × 13,132.07
  4. Step 4: Simplify right side
    39,784.61x = 783,774,203.24
  5. Step 5: Solve for x
    x = 783,774,203.24/39,784.61
  6. Step 6: Final answer
    x = 19,700.44

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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.