Home / 30,565.09-45,847.80-13,913.48

Finding the Fourth Proportional to 30,565.09, 45,847.80 and 13,913.48

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Solution

The fourth proportional to 30,565.09, 45,847.80 and 13,913.48 is: 20,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,565.09 : 45,847.80 = 13,913.48 : x
  2. Step 2: Convert to fraction form
    30,565.09/45,847.80 = 13,913.48/x
  3. Step 3: Cross multiply
    30,565.09x = 45,847.80 × 13,913.48
  4. Step 4: Simplify right side
    30,565.09x = 637,902,219.11
  5. Step 5: Solve for x
    x = 637,902,219.11/30,565.09
  6. Step 6: Final answer
    x = 20,870.29

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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.