Home / 74,210.30-111,315.45-29,814.20

Finding the Fourth Proportional to 74,210.30, 111,315.45 and 29,814.20

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Solution

The fourth proportional to 74,210.30, 111,315.45 and 29,814.20 is: 44,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,210.30 : 111,315.45 = 29,814.20 : x
  2. Step 2: Convert to fraction form
    74,210.30/111,315.45 = 29,814.20/x
  3. Step 3: Cross multiply
    74,210.30x = 111,315.45 × 29,814.20
  4. Step 4: Simplify right side
    74,210.30x = 3,318,781,089.39
  5. Step 5: Solve for x
    x = 3,318,781,089.39/74,210.30
  6. Step 6: Final answer
    x = 44,721.30

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1.5x scale

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.