Home / 45,445.68-68,171.28-14,280.93

Finding the Fourth Proportional to 45,445.68, 68,171.28 and 14,280.93

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Solution

The fourth proportional to 45,445.68, 68,171.28 and 14,280.93 is: 21,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,445.68 : 68,171.28 = 14,280.93 : x
  2. Step 2: Convert to fraction form
    45,445.68/68,171.28 = 14,280.93/x
  3. Step 3: Cross multiply
    45,445.68x = 68,171.28 × 14,280.93
  4. Step 4: Simplify right side
    45,445.68x = 973,549,277.69
  5. Step 5: Solve for x
    x = 973,549,277.69/45,445.68
  6. Step 6: Final answer
    x = 21,422.26

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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.