Home / 45,390.60-68,095.13-15,810.75

Finding the Fourth Proportional to 45,390.60, 68,095.13 and 15,810.75

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Solution

The fourth proportional to 45,390.60, 68,095.13 and 15,810.75 is: 23,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,390.60 : 68,095.13 = 15,810.75 : x
  2. Step 2: Convert to fraction form
    45,390.60/68,095.13 = 15,810.75/x
  3. Step 3: Cross multiply
    45,390.60x = 68,095.13 × 15,810.75
  4. Step 4: Simplify right side
    45,390.60x = 1,076,634,997.59
  5. Step 5: Solve for x
    x = 1,076,634,997.59/45,390.60
  6. Step 6: Final answer
    x = 23,719.34

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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.