Home / 52,263.02-78,396.02-12,820.10

Finding the Fourth Proportional to 52,263.02, 78,396.02 and 12,820.10

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Solution

The fourth proportional to 52,263.02, 78,396.02 and 12,820.10 is: 19,230.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,263.02 : 78,396.02 = 12,820.10 : x
  2. Step 2: Convert to fraction form
    52,263.02/78,396.02 = 12,820.10/x
  3. Step 3: Cross multiply
    52,263.02x = 78,396.02 × 12,820.10
  4. Step 4: Simplify right side
    52,263.02x = 1,005,044,816.00
  5. Step 5: Solve for x
    x = 1,005,044,816.00/52,263.02
  6. Step 6: Final answer
    x = 19,230.52

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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.