Home / 45,056.28-67,580.10-13,883.16

Finding the Fourth Proportional to 45,056.28, 67,580.10 and 13,883.16

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Solution

The fourth proportional to 45,056.28, 67,580.10 and 13,883.16 is: 20,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,056.28 : 67,580.10 = 13,883.16 : x
  2. Step 2: Convert to fraction form
    45,056.28/67,580.10 = 13,883.16/x
  3. Step 3: Cross multiply
    45,056.28x = 67,580.10 × 13,883.16
  4. Step 4: Simplify right side
    45,056.28x = 938,225,341.12
  5. Step 5: Solve for x
    x = 938,225,341.12/45,056.28
  6. Step 6: Final answer
    x = 20,823.41

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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.