Home / 35,495.04-53,225.60-12,115.20

Finding the Fourth Proportional to 35,495.04, 53,225.60 and 12,115.20

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Solution

The fourth proportional to 35,495.04, 53,225.60 and 12,115.20 is: 18,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,495.04 : 53,225.60 = 12,115.20 : x
  2. Step 2: Convert to fraction form
    35,495.04/53,225.60 = 12,115.20/x
  3. Step 3: Cross multiply
    35,495.04x = 53,225.60 × 12,115.20
  4. Step 4: Simplify right side
    35,495.04x = 644,838,789.12
  5. Step 5: Solve for x
    x = 644,838,789.12/35,495.04
  6. Step 6: Final answer
    x = 18,167.01

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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.