Home / 43,064.19-64,565.10-13,465.98

Finding the Fourth Proportional to 43,064.19, 64,565.10 and 13,465.98

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Solution

The fourth proportional to 43,064.19, 64,565.10 and 13,465.98 is: 20,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,064.19 : 64,565.10 = 13,465.98 : x
  2. Step 2: Convert to fraction form
    43,064.19/64,565.10 = 13,465.98/x
  3. Step 3: Cross multiply
    43,064.19x = 64,565.10 × 13,465.98
  4. Step 4: Simplify right side
    43,064.19x = 869,432,345.30
  5. Step 5: Solve for x
    x = 869,432,345.30/43,064.19
  6. Step 6: Final answer
    x = 20,189.22

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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.