Home / 45,423.02-68,137.40-14,259.50

Finding the Fourth Proportional to 45,423.02, 68,137.40 and 14,259.50

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Solution

The fourth proportional to 45,423.02, 68,137.40 and 14,259.50 is: 21,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,423.02 : 68,137.40 = 14,259.50 : x
  2. Step 2: Convert to fraction form
    45,423.02/68,137.40 = 14,259.50/x
  3. Step 3: Cross multiply
    45,423.02x = 68,137.40 × 14,259.50
  4. Step 4: Simplify right side
    45,423.02x = 971,605,255.30
  5. Step 5: Solve for x
    x = 971,605,255.30/45,423.02
  6. Step 6: Final answer
    x = 21,390.15

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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.