Home / 40,051.29-60,064.64-18,985.10

Finding the Fourth Proportional to 40,051.29, 60,064.64 and 18,985.10

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Solution

The fourth proportional to 40,051.29, 60,064.64 and 18,985.10 is: 28,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,051.29 : 60,064.64 = 18,985.10 : x
  2. Step 2: Convert to fraction form
    40,051.29/60,064.64 = 18,985.10/x
  3. Step 3: Cross multiply
    40,051.29x = 60,064.64 × 18,985.10
  4. Step 4: Simplify right side
    40,051.29x = 1,140,333,196.86
  5. Step 5: Solve for x
    x = 1,140,333,196.86/40,051.29
  6. Step 6: Final answer
    x = 28,471.82

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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.