Home / 57,925.53-86,895.09-20,477.88

Finding the Fourth Proportional to 57,925.53, 86,895.09 and 20,477.88

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Solution

The fourth proportional to 57,925.53, 86,895.09 and 20,477.88 is: 30,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,925.53 : 86,895.09 = 20,477.88 : x
  2. Step 2: Convert to fraction form
    57,925.53/86,895.09 = 20,477.88/x
  3. Step 3: Cross multiply
    57,925.53x = 86,895.09 × 20,477.88
  4. Step 4: Simplify right side
    57,925.53x = 1,779,427,225.61
  5. Step 5: Solve for x
    x = 1,779,427,225.61/57,925.53
  6. Step 6: Final answer
    x = 30,719.22

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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.