Home / 57,330.48-85,985.64-15,210.96

Finding the Fourth Proportional to 57,330.48, 85,985.64 and 15,210.96

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Solution

The fourth proportional to 57,330.48, 85,985.64 and 15,210.96 is: 22,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,330.48 : 85,985.64 = 15,210.96 : x
  2. Step 2: Convert to fraction form
    57,330.48/85,985.64 = 15,210.96/x
  3. Step 3: Cross multiply
    57,330.48x = 85,985.64 × 15,210.96
  4. Step 4: Simplify right side
    57,330.48x = 1,307,924,130.61
  5. Step 5: Solve for x
    x = 1,307,924,130.61/57,330.48
  6. Step 6: Final answer
    x = 22,813.77

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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.