Home / 57,712.02-79,628.84-39,801.30

Finding the Fourth Proportional to 57,712.02, 79,628.84 and 39,801.30

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Solution

The fourth proportional to 57,712.02, 79,628.84 and 39,801.30 is: 54,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.02 : 79,628.84 = 39,801.30 : x
  2. Step 2: Convert to fraction form
    57,712.02/79,628.84 = 39,801.30/x
  3. Step 3: Cross multiply
    57,712.02x = 79,628.84 × 39,801.30
  4. Step 4: Simplify right side
    57,712.02x = 3,169,331,349.49
  5. Step 5: Solve for x
    x = 3,169,331,349.49/57,712.02
  6. Step 6: Final answer
    x = 54,916.31

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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.