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Finding the Fourth Proportional to 32,683.71, 45,113.04 and 21,354.93

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Solution

The fourth proportional to 32,683.71, 45,113.04 and 21,354.93 is: 29,476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,683.71 : 45,113.04 = 21,354.93 : x
  2. Step 2: Convert to fraction form
    32,683.71/45,113.04 = 21,354.93/x
  3. Step 3: Cross multiply
    32,683.71x = 45,113.04 × 21,354.93
  4. Step 4: Simplify right side
    32,683.71x = 963,385,811.29
  5. Step 5: Solve for x
    x = 963,385,811.29/32,683.71
  6. Step 6: Final answer
    x = 29,476.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.