Home / 39,447.77-59,172.15-13,152.50

Finding the Fourth Proportional to 39,447.77, 59,172.15 and 13,152.50

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Solution

The fourth proportional to 39,447.77, 59,172.15 and 13,152.50 is: 19,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,447.77 : 59,172.15 = 13,152.50 : x
  2. Step 2: Convert to fraction form
    39,447.77/59,172.15 = 13,152.50/x
  3. Step 3: Cross multiply
    39,447.77x = 59,172.15 × 13,152.50
  4. Step 4: Simplify right side
    39,447.77x = 778,261,407.01
  5. Step 5: Solve for x
    x = 778,261,407.01/39,447.77
  6. Step 6: Final answer
    x = 19,728.91

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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.