Home / 45,056.76-67,544.35-21,349.51

Finding the Fourth Proportional to 45,056.76, 67,544.35 and 21,349.51

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Solution

The fourth proportional to 45,056.76, 67,544.35 and 21,349.51 is: 32,004.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,056.76 : 67,544.35 = 21,349.51 : x
  2. Step 2: Convert to fraction form
    45,056.76/67,544.35 = 21,349.51/x
  3. Step 3: Cross multiply
    45,056.76x = 67,544.35 × 21,349.51
  4. Step 4: Simplify right side
    45,056.76x = 1,442,038,775.77
  5. Step 5: Solve for x
    x = 1,442,038,775.77/45,056.76
  6. Step 6: Final answer
    x = 32,004.94

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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.