Home / 48,661.19-72,985.49-15,384.60

Finding the Fourth Proportional to 48,661.19, 72,985.49 and 15,384.60

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Solution

The fourth proportional to 48,661.19, 72,985.49 and 15,384.60 is: 23,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,661.19 : 72,985.49 = 15,384.60 : x
  2. Step 2: Convert to fraction form
    48,661.19/72,985.49 = 15,384.60/x
  3. Step 3: Cross multiply
    48,661.19x = 72,985.49 × 15,384.60
  4. Step 4: Simplify right side
    48,661.19x = 1,122,852,492.53
  5. Step 5: Solve for x
    x = 1,122,852,492.53/48,661.19
  6. Step 6: Final answer
    x = 23,074.91

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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.