Home / 52,043.20-78,065.02-12,600.24

Finding the Fourth Proportional to 52,043.20, 78,065.02 and 12,600.24

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Solution

The fourth proportional to 52,043.20, 78,065.02 and 12,600.24 is: 18,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,043.20 : 78,065.02 = 12,600.24 : x
  2. Step 2: Convert to fraction form
    52,043.20/78,065.02 = 12,600.24/x
  3. Step 3: Cross multiply
    52,043.20x = 78,065.02 × 12,600.24
  4. Step 4: Simplify right side
    52,043.20x = 983,637,987.60
  5. Step 5: Solve for x
    x = 983,637,987.60/52,043.20
  6. Step 6: Final answer
    x = 18,900.41

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1.5x scale

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.