Home / 57,030.96-85,539.76-21,946.08

Finding the Fourth Proportional to 57,030.96, 85,539.76 and 21,946.08

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Solution

The fourth proportional to 57,030.96, 85,539.76 and 21,946.08 is: 32,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,030.96 : 85,539.76 = 21,946.08 : x
  2. Step 2: Convert to fraction form
    57,030.96/85,539.76 = 21,946.08/x
  3. Step 3: Cross multiply
    57,030.96x = 85,539.76 × 21,946.08
  4. Step 4: Simplify right side
    57,030.96x = 1,877,262,416.14
  5. Step 5: Solve for x
    x = 1,877,262,416.14/57,030.96
  6. Step 6: Final answer
    x = 32,916.55

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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.