Home / 57,021.84-78,607.80-39,088.44

Finding the Fourth Proportional to 57,021.84, 78,607.80 and 39,088.44

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Solution

The fourth proportional to 57,021.84, 78,607.80 and 39,088.44 is: 53,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021.84 : 78,607.80 = 39,088.44 : x
  2. Step 2: Convert to fraction form
    57,021.84/78,607.80 = 39,088.44/x
  3. Step 3: Cross multiply
    57,021.84x = 78,607.80 × 39,088.44
  4. Step 4: Simplify right side
    57,021.84x = 3,072,656,273.83
  5. Step 5: Solve for x
    x = 3,072,656,273.83/57,021.84
  6. Step 6: Final answer
    x = 53,885.60

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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.